title: A new sensitive and precise method for determining testosterone and 11-ketotestosterone in fish plasma by radioimmunoassay.
mesh_terms: D000818:Animals; D003429:Cross Reactions; D005260:Female; D005399:Fishes / Q000097:blood*; D008297:Male; D008832:Microchemistry; D011863:Radioimmunoassay / Q000379:methods; D013045:Species Specificity; D013739:Testosterone / Q000031:analogs & derivatives* / Q000097:blood*; D014337:Trout / Q000097:blood
chemical_list: D013739:Testosterone; C003600:11-ketotestosterone