J L Simpson. Show Affiliations »
Abstract
Mesh: See more » AdultAge FactorsCohort StudiesCoitusFemaleFertilization/physiologyHumansMaleOvulationPregnancySex RatioSpermatozoaTime Factors
Year: 1995 PMID: 7477175 DOI: 10.1056/NEJM199512073332311
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245