Opioid treatment of chronic nonmalignant pain.
Stein
C
C
Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287-8711, USA.
D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D002908:Chronic Disease; D006801:Humans; D010146:Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid