TY - GEN AU - Kaufman,J M AU - Thiery,M AU - Vermeulen,A TI - Plasma levels of ethinylestradiol (EE) during cyclic treatment with combined oral contraceptives SN - 0010-7824 PY - 1982///0313 KW - Contraceptives, Oral KW - Contraceptives, Oral, Combined KW - Ethinyl Estradiol KW - blood KW - Female KW - Humans KW - Kinetics KW - Radioimmunoassay N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/0010-7824(81)90062-7 ER -