S Yen, B MacMahon. Show Affiliations »
Abstract
Entities: Disease
Mesh: See more » Anencephaly/epidemiologyAnencephaly/geneticsBirth OrderCongenital Abnormalities/epidemiologyDiseases in TwinsEnvironmental ExposureFemaleHumansInfant, NewbornMaleRhode IslandSex FactorsSpinal Dysraphism/epidemiologySpinal Dysraphism/geneticsTime Factors
Year: 1968 PMID: 4175169 DOI: 10.1016/s0140-6736(68)90709-5
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321