A persistent pain.
The Lancet Neurology
D000701:Analgesics, Opioid / Q000009:adverse effects*; D002487:Centers for Disease Control and Prevention, U.S. / Q000592:standards; D059350:Chronic Pain / Q000175:diagnosis / Q000628:therapy*; D011307:Drug Prescriptions / Q000592:standards; D006801:Humans; D009293:Opioid-Related Disorders / Q000453:epidemiology / Q000209:etiology; D014481:United States
D000701:Analgesics, Opioid