Soules, M R The relationship between the postcoital test and the sperm penetration assay. [electronic resource] - Fertility and sterility Sep 1982 - 384-7 p. digital Publication Type: Journal Article ISSN: 0015-0282 Standard No.: 10.1016/s0015-0282(16)46525-8 doi Subjects--Topical Terms: CoitusFemaleFertilizationHumansMaleMethodsSperm CountSperm MotilitySperm-Ovum Interactions