title: Opioids for intractable pain: the good, the bad and the ugly.
authors.forename: Rollin M
authors.initials: RM
authors.lastname: Gallagher
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D009294:Narcotics / Q000009:adverse effects* / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000209:etiology* / Q000517:prevention & control*; D010148:Intractable Pain / Q000188:drug therapy*; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D016896:Treatment Outcome
chemical_list: D000701:Analgesics, Opioid; D009294:Narcotics