title: Simple in vivo tests that differentiate prototype agonists at opiate receptors.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D003496:Cyclazocine / Q000494:pharmacology; D004334:Drug Administration Schedule; D007858:Learning / Q000187:drug effects; D008722:Methods; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D009043:Motor Activity / Q000187:drug effects; D009292:Narcotic Antagonists / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D011957:Receptors, Opioid; D009020:Morphine; D003496:Cyclazocine