title: [Radioimmunoassay of human beta-endorphin, inactivation of immunoreactive beta-endorphin by plasma and its prevention].
mesh_terms: D002731:4-Chloromercuribenzenesulfonate / Q000494:pharmacology; D004723:Endorphins / Q000032:analysis* / Q000037:antagonists & inhibitors / Q000276:immunology; D006801:Humans; D008297:Male; D008623:Mercaptoethanol / Q000494:pharmacology; D010949:Plasma; D011480:Protease Inhibitors; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D004723:Endorphins; D011480:Protease Inhibitors; D002731:4-Chloromercuribenzenesulfonate; D008623:Mercaptoethanol