title: Blocking effect of alpha-methyltyrosine on amphetamine based reinforcement.
mesh_terms: D000661:Amphetamine / Q000008:administration & dosage / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D000818:Animals; D005059:Euphoria / Q000187:drug effects; D008297:Male; D008722:Methods; D008781:Methyltyrosines / Q000494:pharmacology*; D051381:Rats; D012054:Reinforcement, Psychology
chemical_list: D008781:Methyltyrosines; D000661:Amphetamine