TY - BOOK ED - International Symposium on Hormonal Contraception (1977 : Utrecht, Netherlands) ED - Haspels, A. A. ED - Kay, C. R. (Clifford R.) TI - International Symposium on Hormonal Contraception: proceedings of a symposium held in Utrecht, The Netherlands, 10th September, 1977 SN - 0444900128 PY - 1978/// CY - Amsterdam PB - Excerpta Medica KW - Oral contraceptives KW - Congresses KW - Side effects KW - Contraceptives, Oral N1 - Includes bibliographical references ER -