title: Steroid receptor determination by means of agar gel electrophoresis.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis* / Q000188:drug therapy; D004586:Electrophoresis / Q000379:methods*; D004587:Electrophoresis, Agar Gel / Q000379:methods*; D004958:Estradiol / Q000032:analysis; D005260:Female; D006801:Humans; D011372:Progestins / Q000032:analysis; D011987:Receptors, Steroid / Q000032:analysis*; D013739:Testosterone / Q000032:analysis
chemical_list: D011372:Progestins; D011987:Receptors, Steroid; D013739:Testosterone; D004958:Estradiol