G Wyshak. Show Affiliations »
Abstract
Mesh: See more » Birth OrderBirth RateFemaleFertilityHumansMaleMaternal AgeParityPregnancyTwinsTwins, DizygoticUnited States
Year: 1975 PMID: 1239081 DOI: 10.1080/19485565.1975.9988161
Source DB: PubMed Journal: Soc Biol ISSN: 0037-766X