C Cannings, M R Cannings. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » AdultAge FactorsDown Syndrome/etiologyFemaleFertilizationHumansMaleMaternal AgeOvumSexual Behavior
Year: 1968 PMID: 4231250 DOI: 10.1038/218481a0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962