title: Guideline interpretation varies.
authors.forename: T G
authors.initials: TG
authors.lastname: Egan
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy*; D018579:Patient Selection; D017410:Practice Guidelines as Topic
chemical_list: D009294:Narcotics