Opioids for chronic nonmalignant and neuropathic pain.
Sandkühler
Jürgen
J
Kress
Hans G
HG
D000701:Analgesics, Opioid / Q000627:therapeutic use*; D002908:Chronic Disease; D006801:Humans; D009437:Neuralgia / Q000188:drug therapy*
D000701:Analgesics, Opioid