title: Opioids for chronic pain: taking stock.
authors.forename: Jane C
authors.initials: JC
authors.lastname: Ballantyne
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000453:epidemiology* / Q000209:etiology*; D010146:Pain / Q000188:drug therapy* / Q000453:epidemiology*; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data / Q000639:trends; D018570:Risk Assessment
chemical_list: D009294:Narcotics