title: Blockade of morphine activity by thebaine in mice.
mesh_terms: D000818:Animals; D008124:Locomotion / Q000187:drug effects; D008297:Male; D051379:Mice; D009020:Morphine / Q000037:antagonists & inhibitors*; D009043:Motor Activity / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D011930:Reaction Time / Q000187:drug effects; D013268:Stimulation, Chemical; D013329:Structure-Activity Relationship; D013797:Thebaine / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D013797:Thebaine; D009270:Naloxone; D009020:Morphine