title: Effects of [Des-Tyr 1]-gamma-endorphin and alpha-endorphin on substantia nigra self-stimulation.
mesh_terms: D000818:Animals; D003913:Dextroamphetamine / Q000494:pharmacology; D004723:Endorphins / Q000494:pharmacology*; D006220:Haloperidol / Q000494:pharmacology; D008297:Male; D051381:Rats; D012653:Self Stimulation / Q000187:drug effects*; D013378:Substantia Nigra / Q000033:anatomy & histology / Q000502:physiology*
chemical_list: D004723:Endorphins; D006220:Haloperidol; D003913:Dextroamphetamine