Oral contraceptives and neoplasia: a report of a WHO scientific g roup - Geneva : World Health Organisation , 1992. - vi, 46 p. : 24 cm. - WHO Technical report series ; 817. . Includes Bibliographical references ISBN: 9241208171 ISSN: 0512-3054 Subjects--Topical Terms: Contraceptives, Oral, Combined -- adverse effects Neoplasms -- chemically induced National Library of Medicine Call No.: WHO QZ 202 / Or1 1992