title: Availability of opioids for cancer pain: recent trends, assessment of system barriers, New World Health Organization guidelines, and the risk of diversion.
authors.affiliation: University of Wisconsin Medical School, Madison.
authors.forename: D E
authors.initials: DE
authors.lastname: Joranson
mesh_terms: D004335:Drug and Narcotic Control; D017408:Guidelines as Topic; D006297:Health Services Accessibility; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D009369:Neoplasms / Q000188:drug therapy*; D010166:Palliative Care / Q000379:methods* / Q000639:trends*; D012306:Risk; D014944:World Health Organization
chemical_list: D009294:Narcotics