title: Canadian approval sought for controversial pain drug.
authors.forename: Carolyn
authors.initials: C
authors.lastname: Brown
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D002170:Canada; D059350:Chronic Pain / Q000175:diagnosis / Q000188:drug therapy*; D004333:Drug Administration Routes; D017277:Drug Approval; D006801:Humans; D006853:Hydrocodone / Q000494:pharmacology* / Q000627:therapeutic use; D009293:Opioid-Related Disorders / Q000517:prevention & control; D018570:Risk Assessment; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000701:Analgesics, Opioid; D006853:Hydrocodone