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