title: Federal government faces painful decision on Darvon.
mesh_terms: D011431:Dextropropoxyphene / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D007880:Legislation, Drug; D019966:Substance-Related Disorders; D014481:United States; D014483:United States Dept. of Health and Human Services
chemical_list: D011431:Dextropropoxyphene