{"id":"https://openalex.org/W2156115291","doi":"https://doi.org/10.1093/ajcn/78.1.7","title":"Homocysteine and methylmalonic acid in diagnosis and risk assessment from infancy to adolescence","display_name":"Homocysteine and methylmalonic acid in diagnosis and risk assessment from infancy to adolescence","publication_year":2003,"publication_date":"2003-07-01","ids":{"openalex":"https://openalex.org/W2156115291","doi":"https://doi.org/10.1093/ajcn/78.1.7","mag":"2156115291","pmid":"https://pubmed.ncbi.nlm.nih.gov/12816766"},"language":"en","primary_location":{"id":"doi:10.1093/ajcn/78.1.7","doi":"https://doi.org/10.1093/ajcn/78.1.7","is_oa":true,"landing_page_url":"https://doi.org/10.1093/ajcn/78.1.7","pdf_url":null,"source":{"id":"https://openalex.org/S71285955","display_name":"American Journal of Clinical Nutrition","issn_l":"0002-9165","issn":["0002-9165","1938-3207"],"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-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":"The American Journal of Clinical Nutrition","raw_type":"journal-article"},"volume":null,"type":"review","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.1093/ajcn/78.1.7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113608015","display_name":"Anne Lise Bj\u00f8rke Monsen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Anne Lise Bj\u00f8rke Monsen","raw_affiliation_strings":["Department of Pediatrics, University of Bergen, Norway","From the Department of Pediatrics (ALBM) and the LOCUS for Homocysteine and Related Vitamins (PMU), University of Bergen, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Bergen, Norway","institution_ids":["https://openalex.org/I4432739"]},{"raw_affiliation_string":"From the Department of Pediatrics (ALBM) and the LOCUS for Homocysteine and Related Vitamins (PMU), University of Bergen, Norway","institution_ids":["https://openalex.org/I4432739"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026276538","display_name":"Per Magne Ueland","orcid":"https://orcid.org/0000-0002-1903-0571","observed_orcids":["https://orcid.org/0000-0002-1903-0571"]},"institutions":[{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":true,"raw_author_name":"Per Magne Ueland","raw_affiliation_strings":["From the Department of Pediatrics (ALBM) and the LOCUS for Homocysteine and Related Vitamins (PMU), University of Bergen, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Department of Pediatrics (ALBM) and the LOCUS for Homocysteine and Related Vitamins (PMU), University of Bergen, Norway","institution_ids":["https://openalex.org/I4432739"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5026276538"],"corresponding_institution_ids":["https://openalex.org/I4432739"],"apc_list":{"value":5200,"currency":"USD","value_usd":5200},"apc_paid":null,"fwci":1.1664,"has_fulltext":false,"cited_by_count":143,"citation_normalized_percentile":{"value":0.72808989,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"78","issue":"1","first_page":"7","last_page":"21"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.9980000257492065,"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":0.9980000257492065,"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/T11027","display_name":"Metabolism and Genetic Disorders","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12441","display_name":"Porphyrin Metabolism and Disorders","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/total-homocysteine","display_name":"total homocysteine","score":0.9200000166893005},{"id":"https://openalex.org/keywords/methylmalonic-acid","display_name":"methylmalonic acid","score":0.9990000128746033},{"id":"https://openalex.org/keywords/folate-deficiency","display_name":"folate deficiency","score":0.828000009059906},{"id":"https://openalex.org/keywords/vitamin-b12-deficiency","display_name":"vitamin B12 deficiency","score":0.9959999918937683},{"id":"https://openalex.org/keywords/hyperhomocysteinemia","display_name":"hyperhomocysteinemia","score":0.8610000014305115},{"id":"https://openalex.org/keywords/infants","display_name":"infants","score":0.5120000243186951},{"id":"https://openalex.org/keywords/children","display_name":"children","score":0.9350000023841858},{"id":"https://openalex.org/keywords/adolescents","display_name":"adolescents","score":0.9980000257492065},{"id":"https://openalex.org/keywords/cardiovascular-risk","display_name":"cardiovascular risk","score":0.7739999890327454},{"id":"https://openalex.org/keywords/kidney-failure","display_name":"renal failure","score":0.8690000176429749},{"id":"https://openalex.org/keywords/pregnancy-outcomes","display_name":"pregnancy outcomes","score":0.8040000200271606},{"id":"https://openalex.org/keywords/cobalamin-status","display_name":"cobalamin status","score":0.7919999957084656}],"concepts":[{"id":"https://openalex.org/C2780676250","wikidata":"https://www.wikidata.org/wiki/Q187706","display_name":"Cobalamin","level":3,"score":0.9789157509803772},{"id":"https://openalex.org/C2779821038","wikidata":"https://www.wikidata.org/wiki/Q239598","display_name":"Methylmalonic acid","level":3,"score":0.9546725749969482},{"id":"https://openalex.org/C2776523773","wikidata":"https://www.wikidata.org/wiki/Q1093815","display_name":"Hyperhomocysteinemia","level":3,"score":0.8302839398384094},{"id":"https://openalex.org/C2777090595","wikidata":"https://www.wikidata.org/wiki/Q192466","display_name":"Homocysteine","level":2,"score":0.763860821723938},{"id":"https://openalex.org/C2910256814","wikidata":"https://www.wikidata.org/wiki/Q742500","display_name":"Methylmalonic aciduria","level":4,"score":0.6268807053565979},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5532248020172119},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.539508044719696},{"id":"https://openalex.org/C159641895","wikidata":"https://www.wikidata.org/wiki/Q108377937","display_name":"Renal function","level":2,"score":0.4460693299770355},{"id":"https://openalex.org/C2779750884","wikidata":"https://www.wikidata.org/wiki/Q187706","display_name":"Vitamin B12","level":2,"score":0.38703063130378723},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.36838462948799133}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","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":false},{"descriptor_ui":"D005494","descriptor_name":"Folic Acid Deficiency","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D005494","descriptor_name":"Folic Acid Deficiency","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D005494","descriptor_name":"Folic Acid Deficiency","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D005527","descriptor_name":"Food, Fortified","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006710","descriptor_name":"Homocysteine","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","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":"D008764","descriptor_name":"Methylmalonic Acid","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D014806","descriptor_name":"Vitamin B 12 Deficiency","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D014806","descriptor_name":"Vitamin B 12 Deficiency","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D014806","descriptor_name":"Vitamin B 12 Deficiency","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1093/ajcn/78.1.7","doi":"https://doi.org/10.1093/ajcn/78.1.7","is_oa":true,"landing_page_url":"https://doi.org/10.1093/ajcn/78.1.7","pdf_url":null,"source":{"id":"https://openalex.org/S71285955","display_name":"American Journal of Clinical Nutrition","issn_l":"0002-9165","issn":["0002-9165","1938-3207"],"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-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":"The American Journal of Clinical Nutrition","raw_type":"journal-article"},{"id":"pmid:12816766","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12816766","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 American journal of clinical nutrition","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1093/ajcn/78.1.7","doi":"https://doi.org/10.1093/ajcn/78.1.7","is_oa":true,"landing_page_url":"https://doi.org/10.1093/ajcn/78.1.7","pdf_url":null,"source":{"id":"https://openalex.org/S71285955","display_name":"American Journal of Clinical Nutrition","issn_l":"0002-9165","issn":["0002-9165","1938-3207"],"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-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":"The American Journal of Clinical Nutrition","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"},{"score":0.5,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":188,"referenced_works":["https://openalex.org/W22595793","https://openalex.org/W49698306","https://openalex.org/W60688671","https://openalex.org/W156303496","https://openalex.org/W175146938","https://openalex.org/W181791200","https://openalex.org/W188066399","https://openalex.org/W1483242733","https://openalex.org/W1493068288","https://openalex.org/W1511309326","https://openalex.org/W1513696494","https://openalex.org/W1513929198","https://openalex.org/W1758685792","https://openalex.org/W1785297096","https://openalex.org/W1793142381","https://openalex.org/W1817730472","https://openalex.org/W1826900764","https://openalex.org/W1842723757","https://openalex.org/W1863986299","https://openalex.org/W1874001544","https://openalex.org/W1883798927","https://openalex.org/W1902500413","https://openalex.org/W1904990814","https://openalex.org/W1916224739","https://openalex.org/W1934232739","https://openalex.org/W1938707785","https://openalex.org/W1959083121","https://openalex.org/W1964187065","https://openalex.org/W1968511421","https://openalex.org/W1969032422","https://openalex.org/W1969118882","https://openalex.org/W1970088047","https://openalex.org/W1971171680","https://openalex.org/W1973072539","https://openalex.org/W1973823381","https://openalex.org/W1975325307","https://openalex.org/W1977357923","https://openalex.org/W1987076404","https://openalex.org/W1987530700","https://openalex.org/W1990010981","https://openalex.org/W1991219945","https://openalex.org/W1991988518","https://openalex.org/W1993441159","https://openalex.org/W1999478579","https://openalex.org/W2003129017","https://openalex.org/W2004096635","https://openalex.org/W2004219779","https://openalex.org/W2005082904","https://openalex.org/W2006522951","https://openalex.org/W2007558311","https://openalex.org/W2008598958","https://openalex.org/W2010923343","https://openalex.org/W2014985160","https://openalex.org/W2015399522","https://openalex.org/W2021306182","https://openalex.org/W2021416481","https://openalex.org/W2022320270","https://openalex.org/W2022336892","https://openalex.org/W2022764590","https://openalex.org/W2025248411","https://openalex.org/W2027901910","https://openalex.org/W2032420850","https://openalex.org/W2033976133","https://openalex.org/W2037331154","https://openalex.org/W2037657962","https://openalex.org/W2038334326","https://openalex.org/W2040327000","https://openalex.org/W2041237566","https://openalex.org/W2043464277","https://openalex.org/W2043556362","https://openalex.org/W2043705500","https://openalex.org/W2043944316","https://openalex.org/W2044766431","https://openalex.org/W2046074291","https://openalex.org/W2048731329","https://openalex.org/W2049292893","https://openalex.org/W2051464325","https://openalex.org/W2053975243","https://openalex.org/W2054423180","https://openalex.org/W2055043835","https://openalex.org/W2055536779","https://openalex.org/W2055840234","https://openalex.org/W2057860530","https://openalex.org/W2059243144","https://openalex.org/W2059440411","https://openalex.org/W2059930468","https://openalex.org/W2060742495","https://openalex.org/W2062577431","https://openalex.org/W2064087574","https://openalex.org/W2064912482","https://openalex.org/W2066361910","https://openalex.org/W2067286821","https://openalex.org/W2068077344","https://openalex.org/W2071166621","https://openalex.org/W2073903868","https://openalex.org/W2076492737","https://openalex.org/W2077296039","https://openalex.org/W2077410953","https://openalex.org/W2078410199","https://openalex.org/W2079014856","https://openalex.org/W2079614510","https://openalex.org/W2081683302","https://openalex.org/W2084765525","https://openalex.org/W2084817109","https://openalex.org/W2084927114","https://openalex.org/W2088272654","https://openalex.org/W2090474126","https://openalex.org/W2091315594","https://openalex.org/W2091533357","https://openalex.org/W2091917308","https://openalex.org/W2093110099","https://openalex.org/W2093227146","https://openalex.org/W2097021221","https://openalex.org/W2097392023","https://openalex.org/W2097485477","https://openalex.org/W2098380408","https://openalex.org/W2098822457","https://openalex.org/W2100414682","https://openalex.org/W2104628839","https://openalex.org/W2105087182","https://openalex.org/W2106473005","https://openalex.org/W2107621321","https://openalex.org/W2108484297","https://openalex.org/W2110390916","https://openalex.org/W2110611987","https://openalex.org/W2112574664","https://openalex.org/W2114607509","https://openalex.org/W2115075336","https://openalex.org/W2115859565","https://openalex.org/W2117800094","https://openalex.org/W2118846412","https://openalex.org/W2119004379","https://openalex.org/W2120317236","https://openalex.org/W2124036673","https://openalex.org/W2124625417","https://openalex.org/W2125463841","https://openalex.org/W2130627523","https://openalex.org/W2130826341","https://openalex.org/W2131111884","https://openalex.org/W2131403073","https://openalex.org/W2132780908","https://openalex.org/W2134503182","https://openalex.org/W2135740440","https://openalex.org/W2136315096","https://openalex.org/W2138432813","https://openalex.org/W2138595053","https://openalex.org/W2138943424","https://openalex.org/W2142419120","https://openalex.org/W2143786980","https://openalex.org/W2145027712","https://openalex.org/W2147464835","https://openalex.org/W2149217604","https://openalex.org/W2151084846","https://openalex.org/W2155418517","https://openalex.org/W2156204315","https://openalex.org/W2156774414","https://openalex.org/W2164911583","https://openalex.org/W2169155577","https://openalex.org/W2169643997","https://openalex.org/W2170457280","https://openalex.org/W2170913910","https://openalex.org/W2224607889","https://openalex.org/W2235529094","https://openalex.org/W2288500843","https://openalex.org/W2297342904","https://openalex.org/W2316611447","https://openalex.org/W2322037963","https://openalex.org/W2325574448","https://openalex.org/W2330138749","https://openalex.org/W2347899953","https://openalex.org/W2402528240","https://openalex.org/W2409918034","https://openalex.org/W2410381605","https://openalex.org/W2414468055","https://openalex.org/W2419206596","https://openalex.org/W2428505392","https://openalex.org/W2461501836","https://openalex.org/W2473061784","https://openalex.org/W2603193117","https://openalex.org/W2992453990","https://openalex.org/W3000353616","https://openalex.org/W4299463951","https://openalex.org/W6600941945","https://openalex.org/W6602474811","https://openalex.org/W6607173646","https://openalex.org/W6607716433","https://openalex.org/W6682665625","https://openalex.org/W6715625224"],"related_works":["https://openalex.org/W2107748203","https://openalex.org/W2142803409","https://openalex.org/W7100074103","https://openalex.org/W2093227146","https://openalex.org/W2131085255","https://openalex.org/W2000864446","https://openalex.org/W2096936595","https://openalex.org/W2079550255","https://openalex.org/W2009031512","https://openalex.org/W2069597599"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
