TY - GEN TI - Optimizing contraceptive decisions: clinical implications of the triphasic randomized clinical trial. Proceedings of a symposium. Tucson, Arizona, January 21, 1989 SN - 0002-9378 PY - 1990///0104 KW - Contraceptives, Oral KW - Contraceptives, Oral, Sequential KW - Female KW - Humans N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ER -