P W Shipley, J A Wray, H H Hechter, M G Arellano, N O Borhant. Show Affiliations »
Abstract
Mesh: See more » AdolescentAdultAfrican AmericansAsian Continental Ancestry GroupCaliforniaEuropean Continental Ancestry GroupFemaleHumansMaternal AgeMiddle AgedParityPregnancyPregnancy, MultipleTwins
Year: 1967 PMID: 6017266 DOI: 10.1093/oxfordjournals.aje.a120671
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897