Attwood, M E Cytology and the contraceptive pill. [electronic resource] - The Journal of obstetrics and gynaecology of the British Commonwealth Aug 1966 - 662-5 p. digital Publication Type: Journal Article ISSN: 0022-3204 Standard No.: 10.1111/j.1471-0528.1966.tb15549.x doi Subjects--Topical Terms: Contraceptives, Oral--adverse effectsCytodiagnosisFemaleHumansUterine Cervical Diseases--etiologyUterine Cervical NeoplasmsVaginal Smears