title: The postcoital test: a controversial investigation.
authors.forename: S G
authors.initials: SG
authors.lastname: Oei
mesh_terms: D002582:Cervix Mucus; D003075:Coitus; D005260:Female; D006801:Humans; D007246:Infertility / Q000175:diagnosis*; D008297:Male; D011247:Pregnancy; D011379:Prognosis