title: Effect of aspirin, caffeine, and codeine on the metabolism of phenacetin and acetaminophen.
mesh_terms: D000082:Acetaminophen / Q000097:blood / Q000378:metabolism* / Q000652:urine; D000328:Adult; D000814:Aniline Compounds / Q000652:urine; D001241:Aspirin / Q000494:pharmacology*; D002110:Caffeine / Q000494:pharmacology*; D003061:Codeine / Q000494:pharmacology*; D004338:Drug Combinations; D005019:Ethyl Ethers / Q000652:urine; D006801:Humans; D008297:Male; D008875:Middle Aged; D010615:Phenacetin / Q000378:metabolism*
chemical_list: D000814:Aniline Compounds; D004338:Drug Combinations; D005019:Ethyl Ethers; D000082:Acetaminophen; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin; D003061:Codeine