title: [Radioimmunoassay of steroid hormone -- application of mildly acidic pepsin-treated gamma globulin in separation of free and bound forms in ammonium sulfate precipitation].
mesh_terms: D000645:Ammonium Sulfate; D010434:Pepsin A / Q000494:pharmacology; D011863:Radioimmunoassay / Q000379:methods*; D013256:Steroids / Q000032:analysis* / Q000276:immunology; D005719:gamma-Globulins
chemical_list: D013256:Steroids; D005719:gamma-Globulins; D010434:Pepsin A; D000645:Ammonium Sulfate