title: Antagonism by methysergide of the effects of L-5-hydroxytryptophan and quipazine on schedule-controlled responding.
mesh_terms: D006916:5-Hydroxytryptophan / Q000037:antagonists & inhibitors*; D000818:Animals; D010856:Columbidae; D003216:Conditioning, Operant / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D008297:Male; D008784:Methysergide / Q000494:pharmacology*; D011804:Quinolines / Q000037:antagonists & inhibitors*; D011814:Quipazine / Q000037:antagonists & inhibitors*; D012055:Reinforcement Schedule
chemical_list: D011804:Quinolines; D011814:Quipazine; D006916:5-Hydroxytryptophan; D008784:Methysergide