J J Billings, L A Bennett. Show Affiliations »
Abstract
Mesh: See more » Cervix Mucus/physiologyFemaleHumansMaleMenstruationMethodsOvulationSperm Transport
Year: 1978 PMID: 581269 PMCID: PMC1607518 DOI: 10.1136/bmj.2.6137.640
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447