LEMBERG-SIEGFRIED, S [Vaginal smear at the end of pregnancy and its diagnostic application for the determination of the birth term]. [electronic resource] - Geburtshilfe und Frauenheilkunde Oct 1955 - 885-98 p. digital Publication Type: Journal Article ISSN: 0016-5751 Subjects--Topical Terms: FemaleHumansPregnancyTerm BirthVaginal Smears