title: Pain--the fifth vital sign.
authors.forename: Georgina
authors.initials: G
authors.lastname: Casey
mesh_terms: D000368:Aged; D000700:Analgesics / Q000627:therapeutic use; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008959:Models, Neurological; D009619:Nociceptors; D010146:Pain / Q000145:classification / Q000451:nursing* / Q000503:physiopathology; D059408:Pain Management; D010147:Pain Measurement; D009626:Terminology as Topic
chemical_list: D000700:Analgesics