Opioids and chronic pain.
Jason W
JW
Busse
D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D002908:Chronic Disease; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic
D000701:Analgesics, Opioid