G Allen, J Schachter. Show Affiliations »
Abstract
Mesh: See more » Age FactorsFemaleFertilityFertilizationHumansMaternal AgeParityPregnancyStatistics as TopicTime FactorsTwins
Year: 1971 PMID: 5580583 DOI: 10.1080/19485565.1971.9987896
Source DB: PubMed Journal: Soc Biol ISSN: 0037-766X