00000cam a22000004a 4500 UP-1685523046125310181 Buklod 20230503092606.0 aa r |||| u| ta 991231s1980 xx r |||| u|eng|| (iLib)UPMNL-00000044965 RG 137.4 E53 1980 Diczfalusy, E.. World Health Organization. Endometrial bleeding and steroidal contraception editors, E. Diczfalusy, I.S. Fraser, F.T.G. Webb. Bath, England Pitman Press 1980 440 p. ill. 25 cm. Proceedings of a Symposium on steroid Contraception and Mechanisms of Endometrial Bleeding organized by the World Health Organization in Geneva on 12-14, September 1979. Birth control. Contraception Congresses. Endometrium Congresses. UPMNL MED RG 137.4 E53 1980 Book