title: Quantitative evaluation of analgetic action in guinea pigs; morphine, ethyl l-methyl-4-phenylpiperidine-4-carboxylate (demerol) and acetylsalicylic acid.
mesh_terms: D000700:Analgesics; D001241:Aspirin; D006168:Guinea Pigs; D008614:Meperidine; D009020:Morphine; D010880:Piperidines; D012459:Salicylates
chemical_list: D000700:Analgesics; D010880:Piperidines; D012459:Salicylates; D009020:Morphine; C048151:4-phenylpiperidine; D008614:Meperidine; D001241:Aspirin
keywords: ANALGESICS; DEMEROL; MORPHINE; SALICYL COMPOUNDS/acetylsalicylic acid