title: A simple technique for determining the sex of fish by radioimmunoassay using 11-ketotestosterone antiserum.
mesh_terms: D000375:Aging; D000818:Animals; D005260:Female; D005399:Fishes; D008297:Male; D011863:Radioimmunoassay / Q000379:methods; D012732:Sex Determination Analysis; D013045:Species Specificity; D013739:Testosterone / Q000031:analogs & derivatives* / Q000097:blood; D014337:Trout
chemical_list: D013739:Testosterone; C003600:11-ketotestosterone