{"id":"https://openalex.org/W2158179341","doi":"https://doi.org/10.1016/j.ajog.2005.10.093","title":"Maternal-fetal medicine specialist density is inversely associated with perinatal mortality","display_name":"Maternal-fetal medicine specialist density is inversely associated with perinatal mortality","publication_year":2005,"publication_date":"2005-12-01","ids":{"openalex":"https://openalex.org/W2158179341","doi":"https://doi.org/10.1016/j.ajog.2005.10.093","mag":"2158179341"},"language":"en","primary_location":{"id":"doi:10.1016/j.ajog.2005.10.093","doi":"https://doi.org/10.1016/j.ajog.2005.10.093","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ajog.2005.10.093","pdf_url":null,"source":{"id":"https://openalex.org/S122347013","display_name":"American Journal of Obstetrics and Gynecology","issn_l":"0002-9378","issn":["0002-9378","1085-8709","1097-6868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Obstetrics and Gynecology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007472354","display_name":"Scott Sullivan","orcid":"https://orcid.org/0000-0003-1154-6837","observed_orcids":["https://orcid.org/0000-0003-1154-6837"]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Scott Sullivan (F)","raw_affiliation_strings":["Medical University of South Carolina, Obstetrics and Gynecology, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical University of South Carolina, Obstetrics and Gynecology, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011877898","display_name":"Roger Newman","orcid":"https://orcid.org/0000-0003-0235-987X","observed_orcids":["https://orcid.org/0000-0003-0235-987X","https://orcid.org/0000-0002-2422-619X"]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roger Newman","raw_affiliation_strings":["Medical University of South Carolina, Obstetrics and Gynecology, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical University of South Carolina, Obstetrics and Gynecology, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020116655","display_name":"Kathryn Menard","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153297377","display_name":"Medical University of South Carolina","ror":"https://ror.org/012jban78","country_code":"US","type":"education","lineage":["https://openalex.org/I153297377"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kathryn Menard","raw_affiliation_strings":["Medical University of South Carolina, Department of Medicine, Charleston, South Carolina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical University of South Carolina, Department of Medicine, Charleston, South Carolina","institution_ids":["https://openalex.org/I153297377"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I153297377"],"apc_list":{"value":5410,"currency":"USD","value_usd":5410},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29319177,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"193","issue":"6","first_page":"S35","last_page":"S35"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12741","display_name":"Maternal and Neonatal Healthcare","score":0.4675000011920929,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12741","display_name":"Maternal and Neonatal Healthcare","score":0.4675000011920929,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10391","display_name":"Healthcare Policy and Management","score":0.19900000095367432,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.07970000058412552,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/maternal-fetal-medicine-specialists","display_name":"maternal-fetal medicine specialists","score":0.8820000290870667},{"id":"https://openalex.org/keywords/perinatal-mortality","display_name":"perinatal mortality","score":0.9890000224113464},{"id":"https://openalex.org/keywords/perinatal-risk","display_name":"perinatal risk","score":0.7160000205039978},{"id":"https://openalex.org/keywords/population-density","display_name":"population density","score":0.6800000071525574},{"id":"https://openalex.org/keywords/state-demographics","display_name":"state demographics","score":0.5889999866485596},{"id":"https://openalex.org/keywords/health-workforce-distribution","display_name":"health workforce distribution","score":0.44999998807907104}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8586493730545044},{"id":"https://openalex.org/C73269764","wikidata":"https://www.wikidata.org/wiki/Q954529","display_name":"Poisson regression","level":3,"score":0.616586446762085},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5897601842880249},{"id":"https://openalex.org/C112299071","wikidata":"https://www.wikidata.org/wiki/Q835884","display_name":"Infant mortality","level":3,"score":0.5755651593208313},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.5086744427680969},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.44724762439727783},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.4237465262413025},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.41486990451812744},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.3579808175563812},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.2154342234134674},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.ajog.2005.10.093","doi":"https://doi.org/10.1016/j.ajog.2005.10.093","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ajog.2005.10.093","pdf_url":null,"source":{"id":"https://openalex.org/S122347013","display_name":"American Journal of Obstetrics and Gynecology","issn_l":"0002-9378","issn":["0002-9378","1085-8709","1097-6868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Obstetrics and Gynecology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.9537000060081482,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3128077967","https://openalex.org/W2056862916","https://openalex.org/W1974749347","https://openalex.org/W4414951630","https://openalex.org/W2277382214","https://openalex.org/W1973794514","https://openalex.org/W2774097948","https://openalex.org/W4200590005","https://openalex.org/W4415005715","https://openalex.org/W2397176176"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}