title: Bill introduced in the Senate to Preserve Six Protected classes of drugs.
authors.forename: Ken
authors.initials: K
authors.lastname: Sprague
mesh_terms: D006801:Humans; D019458:Insurance Coverage / Q000191:economics / Q000331:legislation & jurisprudence*; D054524:Medicare Part D / Q000191:economics / Q000331:legislation & jurisprudence*; D011057:Politics; D055553:Prescription Drugs / Q000145:classification / Q000191:economics; D014481:United States
chemical_list: D055553:Prescription Drugs