title: Determination of total salicylates, phenacetin and-or total N-acetyl-p-aminophenol, and caffeine in biological samples and analgesic formulations.
mesh_terms: D000143:Acids; D000700:Analgesics / Q000032:analysis; D000818:Animals; D001241:Aspirin / Q000032:analysis / Q000097:blood; D002110:Caffeine / Q000032:analysis* / Q000097:blood; D002725:Chloroform; D002849:Chromatography, Gas; D004347:Drug Interactions; D006868:Hydrolysis; D007668:Kidney / Q000032:analysis; D008297:Male; D010615:Phenacetin / Q000032:analysis* / Q000097:blood; D010636:Phenols / Q000032:analysis* / Q000097:blood; D011208:Powders; D051381:Rats; D012459:Salicylates / Q000032:analysis* / Q000097:blood; D013607:Tablets; D013997:Time Factors
chemical_list: D000143:Acids; D000700:Analgesics; D010636:Phenols; D011208:Powders; D012459:Salicylates; D013607:Tablets; D002110:Caffeine; D002725:Chloroform; D010615:Phenacetin; D001241:Aspirin