title: Failure of prolyl-leucyl-glycinamide to alter analgesia measured by the Takemori test in morphine-pretreated rats.
mesh_terms: D000700:Analgesics; D000818:Animals; D004347:Drug Interactions; D009075:MSH Release-Inhibiting Hormone / Q000378:metabolism*; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D009842:Oligopeptides / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects
chemical_list: D000700:Analgesics; D009842:Oligopeptides; D009270:Naloxone; D009020:Morphine; D009075:MSH Release-Inhibiting Hormone