Horák, C [Effect of intrauterine contraception on the cytological picture of the vagina]. [electronic resource] - Ceskoslovenska gynekologie Nov 1969 - 556-7 p. digital Publication Type: Journal Article ISSN: 0374-6852 Subjects--Topical Terms: Estrogens--analysisFemaleHumansIntrauterine DevicesMenstruation--drug effectsVagina--cytology