American Pain Society: curb medication abuse but don't deprive patients.
D000701:Analgesics, Opioid / Q000627:therapeutic use*; D002908:Chronic Disease; D003131:Combined Modality Therapy; D004361:Drug Tolerance; D004335:Drug and Narcotic Control; D006801:Humans; D010146:Pain / Q000517:prevention & control*; D012955:Societies, Medical; D019966:Substance-Related Disorders / Q000517:prevention & control; D014481:United States
D000701:Analgesics, Opioid