title: Studies on analgesics. VII. Difference between cocaine and amphetamine concerning augmentation of morphine analgesia in mice.
mesh_terms: D000661:Amphetamine / Q000494:pharmacology*; D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D003042:Cocaine / Q000494:pharmacology*; D004295:Dihydroxyphenylalanine / Q000494:pharmacology; D004357:Drug Synergism; D007274:Injections, Intraperitoneal; D007279:Injections, Subcutaneous; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology*; D012110:Reserpine / Q000494:pharmacology; D013747:Tetrabenazine / Q000494:pharmacology
chemical_list: D000700:Analgesics; D004295:Dihydroxyphenylalanine; D009020:Morphine; D012110:Reserpine; D000661:Amphetamine; D003042:Cocaine; D013747:Tetrabenazine