title: Diurnal variation of peripheral plasma levels of testosterone in bulls measured by a rapid radioimmunoassay procedure.
mesh_terms: D000728:Androgens; D000818:Animals; D000906:Antibodies; D000918:Antibody Specificity; D002417:Cattle; D002940:Circadian Rhythm; D003429:Cross Reactions; D004967:Estrogens; D007106:Immune Sera; D008297:Male; D011283:Pregnenes; D011817:Rabbits / Q000276:immunology; D011863:Radioimmunoassay; D012710:Serum Albumin, Bovine; D013739:Testosterone / Q000097:blood*; D013997:Time Factors; D014316:Tritium
chemical_list: D000728:Androgens; D000906:Antibodies; D004967:Estrogens; D007106:Immune Sera; D011283:Pregnenes; D014316:Tritium; D012710:Serum Albumin, Bovine; D013739:Testosterone