title: Radioimmunoassay of plasma testosterone without chromatography: a comparison of four antisera, and the evaluation of a novel approach to liquid scintillation counting.
mesh_terms: D000645:Ammonium Sulfate; D000918:Antibody Specificity; D003429:Cross Reactions; D006801:Humans; D007006:Hypogonadism / Q000097:blood; D007106:Immune Sera; D008297:Male; D008722:Methods; D011863:Radioimmunoassay; D012710:Serum Albumin, Bovine; D013739:Testosterone / Q000097:blood*; D013997:Time Factors; D014316:Tritium
chemical_list: D007106:Immune Sera; D014316:Tritium; D012710:Serum Albumin, Bovine; D013739:Testosterone; D000645:Ammonium Sulfate