title: Marihuana and pain.
mesh_terms: D000328:Adult; D001241:Aspirin / Q000494:pharmacology; D002188:Cannabis / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D002986:Clinical Trials as Topic; D003061:Codeine / Q000494:pharmacology; D004056:Differential Threshold; D004558:Electric Stimulation; D006358:Hot Temperature; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology; D010146:Pain; D010919:Placebos; D014732:Vibration
chemical_list: D010919:Placebos; D009020:Morphine; D001241:Aspirin; D003061:Codeine