title: Letter: Testosterone, L.H.R.H., and behaviour.
mesh_terms: D000374:Aggression; D000818:Animals; D001519:Behavior / Q000187:drug effects*; D002653:Child Behavior Disorders / Q000209:etiology*; D007987:Gonadotropin-Releasing Hormone / Q000378:metabolism*; D006168:Guinea Pigs; D000882:Haplorhini; D006801:Humans; D007223:Infant; D007273:Injections, Intramuscular; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D011629:Puberty, Precocious / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D051381:Rats; D013739:Testosterone / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D007987:Gonadotropin-Releasing Hormone; D013739:Testosterone; D007986:Luteinizing Hormone