TY - GEN AU - Yang,K P AU - Samaan,N A TI - Reduction of estrogen receptor concentration in MCF-7 human breast carcinoma cells following exposure to chemotherapeutic drugs SN - 0008-5472 PY - 1983///0826 KW - Breast Neoplasms KW - drug therapy KW - Cell Line KW - Dose-Response Relationship, Drug KW - Estradiol KW - metabolism KW - Female KW - Fluorouracil KW - therapeutic use KW - Humans KW - Methotrexate KW - Receptors, Estrogen KW - Time Factors KW - Vincristine N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S ER -