{"id":"https://openalex.org/W2326564641","doi":"https://doi.org/10.1056/nejm199911113412001","title":"Prevention of Neural-Tube Defects with Folic Acid in China","display_name":"Prevention of Neural-Tube Defects with Folic Acid in China","publication_year":1999,"publication_date":"1999-11-11","ids":{"openalex":"https://openalex.org/W2326564641","doi":"https://doi.org/10.1056/nejm199911113412001","mag":"2326564641","pmid":"https://pubmed.ncbi.nlm.nih.gov/10559448"},"language":"en","primary_location":{"id":"doi:10.1056/nejm199911113412001","doi":"https://doi.org/10.1056/nejm199911113412001","is_oa":true,"landing_page_url":"https://doi.org/10.1056/nejm199911113412001","pdf_url":"https://www.nejm.org/doi/pdf/10.1056/NEJM199911113412001?articleTools=true","source":{"id":"https://openalex.org/S62468778","display_name":"New England Journal of Medicine","issn_l":"0028-4793","issn":["0028-4793","0096-6762","1533-4406","2331-4710"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320239","host_organization_name":"Massachusetts Medical Society","host_organization_lineage":["https://openalex.org/P4310320239"],"host_organization_lineage_names":["Massachusetts Medical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New England Journal of Medicine","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.nejm.org/doi/pdf/10.1056/NEJM199911113412001?articleTools=true","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Robert J. Berry","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert J. Berry","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341-3724, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341-3724, USA","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Zhu Li","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhu Li","raw_affiliation_strings":["National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089338889","display_name":"Jon D. Erickson","orcid":"https://orcid.org/0000-0002-2235-7428","observed_orcids":["https://orcid.org/0000-0002-2235-7428"]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. David Erickson","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Song Li","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Song Li","raw_affiliation_strings":["National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006386456","display_name":"Cynthia A. Moore","orcid":"https://orcid.org/0000-0003-4224-2692","observed_orcids":["https://orcid.org/0000-0003-4224-2692"]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cynthia A. Moore","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hong Wang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hong Wang","raw_affiliation_strings":["National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033912023","display_name":"Joseph Mulinare","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joseph Mulinare","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043541334","display_name":"Ping Zhao","orcid":"https://orcid.org/0000-0001-5168-0307","observed_orcids":["https://orcid.org/0000-0001-5168-0307"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ping Zhao","raw_affiliation_strings":["National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110661066","display_name":"Lee-Yang Wong","orcid":"https://orcid.org/0000-0002-4077-9296","observed_orcids":["https://orcid.org/0000-0002-4077-9296"]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lee-Yang C. Wong","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jacqueline Gindler","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jacqueline Gindler","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shi-Xin Hong","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shi-Xin Hong","raw_affiliation_strings":["National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center for Maternal and Infant Health and the Department of Health Care Epidemiology, Beijing Medical University, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Ling Hao","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ling Hao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Elaine Gunter","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Elaine Gunter","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5022738034","display_name":"Adolfo Correa","orcid":"https://orcid.org/0000-0002-9501-600X","observed_orcids":["https://orcid.org/0000-0002-9501-600X"]},"institutions":[{"id":"https://openalex.org/I1289490764","display_name":"Centers for Disease Control and Prevention","ror":"https://ror.org/042twtr12","country_code":"US","type":"government","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934"]},{"id":"https://openalex.org/I4210092468","display_name":"National Center for Environmental Health","ror":"https://ror.org/00jc2kw33","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289490764","https://openalex.org/I1299022934","https://openalex.org/I4210092468"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Adolfo Correa","raw_affiliation_strings":["Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Birth Defects and Genetic Diseases Branch, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta","institution_ids":["https://openalex.org/I1289490764","https://openalex.org/I4210092468"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":24.8751,"has_fulltext":true,"cited_by_count":1375,"citation_normalized_percentile":{"value":0.99863879,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"341","issue":"20","first_page":"1485","last_page":"1490"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.923799991607666,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.923799991607666,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11833","display_name":"Spinal Dysraphism and Malformations","score":0.06539999693632126,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12229","display_name":"Pharmacological Effects and Toxicity Studies","score":0.002099999925121665,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/neural-tube-defects","display_name":"neural tube defects","score":0.9570000171661377},{"id":"https://openalex.org/keywords/folic-acid-supplementation","display_name":"folic acid supplementation","score":0.9259999990463257},{"id":"https://openalex.org/keywords/periconceptional-period","display_name":"periconceptional period","score":0.8960000276565552},{"id":"https://openalex.org/keywords/pregnancy-outcomes","display_name":"pregnancy outcomes","score":0.5640000104904175},{"id":"https://openalex.org/keywords/birth-defect-prevention","display_name":"birth defects prevention","score":0.5559999942779541},{"id":"https://openalex.org/keywords/public-health-campaigns","display_name":"public health campaigns","score":0.6100000143051147},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.3400000035762787}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.832600474357605},{"id":"https://openalex.org/C2780594696","wikidata":"https://www.wikidata.org/wiki/Q1127402","display_name":"Neural tube","level":3,"score":0.7749483585357666},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.7437878847122192},{"id":"https://openalex.org/C2777003008","wikidata":"https://www.wikidata.org/wiki/Q548213","display_name":"Neural tube defect","level":4,"score":0.7247624397277832},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.6479334831237793},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.6143465638160706},{"id":"https://openalex.org/C81603835","wikidata":"https://www.wikidata.org/wiki/Q3457430","display_name":"Pill","level":2,"score":0.6103910803794861},{"id":"https://openalex.org/C2992130864","wikidata":"https://www.wikidata.org/wiki/Q127060","display_name":"Folic acid","level":2,"score":0.5885012149810791},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.5655302405357361},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.35147300362586975},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.14628159999847412},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05578148365020752},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C95444343","wikidata":"https://www.wikidata.org/wiki/Q7141","display_name":"Cell biology","level":1,"score":0.0},{"id":"https://openalex.org/C196843134","wikidata":"https://www.wikidata.org/wiki/Q33196","display_name":"Embryo","level":2,"score":0.0},{"id":"https://openalex.org/C98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002681","descriptor_name":"China","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005492","descriptor_name":"Folic Acid","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D006293","descriptor_name":"Health Promotion","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007231","descriptor_name":"Infant, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009436","descriptor_name":"Neural Tube Defects","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D009436","descriptor_name":"Neural Tube Defects","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011256","descriptor_name":"Pregnancy Outcome","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011295","descriptor_name":"Prenatal Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015397","descriptor_name":"Program Evaluation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016742","descriptor_name":"Preconception Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1056/nejm199911113412001","doi":"https://doi.org/10.1056/nejm199911113412001","is_oa":true,"landing_page_url":"https://doi.org/10.1056/nejm199911113412001","pdf_url":"https://www.nejm.org/doi/pdf/10.1056/NEJM199911113412001?articleTools=true","source":{"id":"https://openalex.org/S62468778","display_name":"New England Journal of Medicine","issn_l":"0028-4793","issn":["0028-4793","0096-6762","1533-4406","2331-4710"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320239","host_organization_name":"Massachusetts Medical Society","host_organization_lineage":["https://openalex.org/P4310320239"],"host_organization_lineage_names":["Massachusetts Medical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New England Journal of Medicine","raw_type":"journal-article"},{"id":"pmid:10559448","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10559448","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The New England journal of medicine","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1056/nejm199911113412001","doi":"https://doi.org/10.1056/nejm199911113412001","is_oa":true,"landing_page_url":"https://doi.org/10.1056/nejm199911113412001","pdf_url":"https://www.nejm.org/doi/pdf/10.1056/NEJM199911113412001?articleTools=true","source":{"id":"https://openalex.org/S62468778","display_name":"New England Journal of Medicine","issn_l":"0028-4793","issn":["0028-4793","0096-6762","1533-4406","2331-4710"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320239","host_organization_name":"Massachusetts Medical Society","host_organization_lineage":["https://openalex.org/P4310320239"],"host_organization_lineage_names":["Massachusetts Medical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New England Journal of Medicine","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":1.0,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2326564641.pdf","grobid_xml":"https://content.openalex.org/works/W2326564641.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W6321920","https://openalex.org/W1583327662","https://openalex.org/W1971281151","https://openalex.org/W1982144770","https://openalex.org/W1987438923","https://openalex.org/W1999630343","https://openalex.org/W2007771025","https://openalex.org/W2008031088","https://openalex.org/W2010098219","https://openalex.org/W2030301615","https://openalex.org/W2052607896","https://openalex.org/W2115286393","https://openalex.org/W2133854106","https://openalex.org/W2325417132","https://openalex.org/W4237533794"],"related_works":["https://openalex.org/W2373773850","https://openalex.org/W118311636","https://openalex.org/W4210612687","https://openalex.org/W4390665050","https://openalex.org/W2348764543","https://openalex.org/W2317798074","https://openalex.org/W2357552977","https://openalex.org/W2434469539","https://openalex.org/W2403119000","https://openalex.org/W2262730697"],"abstract_inverted_index":{"BACKGROUND":[0],"AND":[1],"METHODS:":[2],"Periconceptional":[3,325],"administration":[4],"of":[5,13,25,38,43,61,75,83,90,94,102,139,158,166,189,195,227,230,248,263,300,305,327,330,338,346],"folic":[6,76,107,123,154,196,241,276,306,331],"acid":[7,77,108,242,307,332],"can":[8,334],"reduce":[9,335],"a":[10,15,20,26,70,228],"woman's":[11],"risk":[12,220,294,337],"having":[14],"fetus":[16],"or":[17,100,113,137,187,225,261,298],"infant":[18],"with":[19,40,51,131,192,236,258,302,343,352],"neural-tube":[21,44,132,159,339],"defect.":[22],"As":[23],"part":[24],"public":[27],"health":[28],"campaign":[29],"conducted":[30],"from":[31,80],"1993":[32],"to":[33,68,283,321],"1995":[34],"in":[35,63,172,180,204,212,219,232,252,293,312,341,350],"an":[36],"area":[37],"China":[39],"high":[41,344],"rates":[42,53,157,199,345],"defects":[45,160,340,348],"(the":[46,54],"northern":[47,174,206,234],"region)":[48],"and":[49,116,128,148,176,208,272,349],"one":[50],"low":[52,353],"southern":[55,182,214,289],"region),":[56],"we":[57,125],"evaluated":[58],"the":[59,81,88,98,135,156,173,181,185,190,198,205,213,223,233,249,259,288,291,296,336],"outcomes":[60],"pregnancy":[62,115],"women":[64,104,118,140,191,231,264,301],"who":[65,105,119,141,149,239,265,273],"were":[66,161,200],"asked":[67],"take":[69,152],"pill":[71],"containing":[72],"400":[73,328],"microg":[74,329],"alone":[78],"daily":[79,333],"time":[82,111,250],"their":[84,91,144,268],"premarital":[85],"examination":[86],"until":[87],"end":[89],"first":[92],"trimester":[93],"pregnancy.":[95],"RESULTS:":[96],"Among":[97,134,184],"fetuses":[99,136,186,224,260,297],"infants":[101,138,188,226,262,299],"130,142":[103],"took":[106,240,274],"at":[109,167],"any":[110,153],"before":[112,143,267],"during":[114],"117,689":[117],"had":[120],"not":[121,151],"taken":[122],"acid,":[124,155,197],"identified":[126],"102":[127],"173,":[129],"respectively,":[130],"defects.":[133],"registered":[142,266],"last":[145,269],"menstrual":[146,270],"period":[147,271],"did":[150],"4.8":[162],"per":[163,178,202,210],"1000":[164,179,203,211],"pregnancies":[165],"least":[168],"20":[169],"weeks'":[170],"gestation":[171],"region":[175,207,235,290],"1.0":[177,201],"region.":[183,215],"periconceptional":[193,237,303],"use":[194,238,304],"0.6":[209],"The":[216],"greatest":[217],"reduction":[218,292],"occurred":[221],"among":[222,295],"subgroup":[229],"pills":[243],"more":[244],"than":[245],"80":[246],"percent":[247,255,279,317],"(reduction":[251,311],"risk,":[253,313],"85":[254],"as":[256],"compared":[257],"no":[275],"acid;":[277],"95":[278,316],"confidence":[280,318],"interval,":[281,319],"62":[282],"94":[284],"percent)":[285],"[corrected].":[286],"In":[287],"was":[308],"also":[309],"significant":[310],"41":[314],"percent;":[315],"3":[320],"64":[322],"percent).":[323],"CONCLUSIONS:":[324],"intake":[326],"areas":[342,351],"these":[347],"rates.":[354]},"counts_by_year":[{"year":2026,"cited_by_count":32},{"year":2025,"cited_by_count":25},{"year":2024,"cited_by_count":49},{"year":2023,"cited_by_count":41},{"year":2022,"cited_by_count":46},{"year":2021,"cited_by_count":73},{"year":2020,"cited_by_count":54},{"year":2019,"cited_by_count":49},{"year":2018,"cited_by_count":49},{"year":2017,"cited_by_count":45},{"year":2016,"cited_by_count":43},{"year":2015,"cited_by_count":55},{"year":2014,"cited_by_count":58},{"year":2013,"cited_by_count":72},{"year":2012,"cited_by_count":67}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}
