title: Use of opiates in treating chronic benign pain.
authors.forename: P A
authors.initials: PA
authors.lastname: Hardy
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009294:Narcotics / Q000009:adverse effects*; D010146:Pain / Q000188:drug therapy* / Q000503:physiopathology; D019966:Substance-Related Disorders / Q000209:etiology*
chemical_list: D009294:Narcotics