title: Decreased urinary free catecholamines in childhood autism.
mesh_terms: D000293:Adolescent; D001321:Autistic Disorder / Q000652:urine*; D002648:Child; D004837:Epinephrine / Q000652:urine*; D006801:Humans; D008297:Male; D009638:Norepinephrine / Q000652:urine*; D010865:Pilot Projects
chemical_list: D009638:Norepinephrine; D004837:Epinephrine