title: Peripheral plasma testosterone concentrations in bulls around puberty.
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D002452:Cell Count; D002465:Cell Movement; D004542:Ejaculation; D007106:Immune Sera; D007601:Jugular Veins; D008297:Male; D011817:Rabbits / Q000276:immunology; D011863:Radioimmunoassay; D013094:Spermatozoa; D013739:Testosterone / Q000097:blood*
chemical_list: D007106:Immune Sera; D013739:Testosterone