title: Serum testosterone and aggressiveness in hockey players.
mesh_terms: D000293:Adolescent; D000328:Adult; D000374:Aggression; D001007:Anxiety / Q000097:blood; D006688:Hockey; D006801:Humans; D008297:Male; D013177:Sports; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone