TY - GEN AU - Friedman,A J TI - Safety and efficacy of ethynodiol diacetate, 1 mg, plus ethinyl estradiol, 35 micrograms. A phase IV trial. Introduction SN - 0024-7758 PY - 1991///0716 KW - Contraceptives, Oral, Hormonal KW - Ethinyl Estradiol KW - administration & dosage KW - Ethynodiol Diacetate KW - Female KW - Humans N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ER -