title: Selecting a nonprescription internal analgesic.
authors.affiliation: University of Illinois, Chicago.
authors.forename: J P
authors.initials: JP
authors.lastname: Engle
authors.forename: A J
authors.initials: AJ
authors.lastname: Donnelly
mesh_terms: D000082:Acetaminophen / Q000627:therapeutic use; D000700:Analgesics / Q000145:classification / Q000627:therapeutic use*; D004338:Drug Combinations; D004347:Drug Interactions; D006801:Humans; D007052:Ibuprofen / Q000627:therapeutic use; D004366:Nonprescription Drugs / Q000145:classification / Q000627:therapeutic use*; D012459:Salicylates / Q000009:adverse effects / Q000627:therapeutic use
chemical_list: D000700:Analgesics; D004338:Drug Combinations; D004366:Nonprescription Drugs; D012459:Salicylates; D000082:Acetaminophen; D007052:Ibuprofen