title: Comparing effectiveness of pain relievers in children.
mesh_terms: D000082:Acetaminophen / Q000627:therapeutic use*; D000293:Adolescent; D000700:Analgesics / Q000627:therapeutic use*; D002648:Child; D003061:Codeine / Q000627:therapeutic use*; D004630:Emergencies; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D014947:Wounds and Injuries / Q000150:complications*
chemical_list: D000700:Analgesics; D000082:Acetaminophen; D003061:Codeine