L B Holmes. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Chromosomes, Human, 21-22 and YDown Syndrome/geneticsFemaleGenetic CounselingHumansMaleMaternal AgePaternal AgePregnancy
Year: 1978 PMID: 148589 DOI: 10.1056/NEJM197806222982511
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245