ISHIHAMA, A ON THE CYTOLOGICAL AND HISTOLOGICAL STUDIES AFTER LONG-INSERTION OF INTRAUTERINE CONTRACEPTIVE DEVICE(IUD). [electronic resource] - Yokohama medical bulletin Oct 1964 - 201-5 p. digital Publication Type: Journal Article ISSN: 0044-0531 Subjects--Topical Terms: Contraceptive DevicesFemaleHumansIntrauterine DevicesJapanNeoplasms--etiologyPathologyUterine Cervical ErosionUterine NeoplasmsUterusVaginal Smears