Tourette syndrome and the opioid system.
D000293:Adolescent; D002648:Child; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D008297:Male; D009270:Naloxone; D005879:Tourette Syndrome / Q000503:physiopathology*
D004723:Endorphins; D009270:Naloxone