title: Pharmacy benefits for Medicare: a "triple-edged" sword.
authors.forename: P
authors.initials: P
authors.lastname: Penna
mesh_terms: D000368:Aged; D011307:Drug Prescriptions / Q000191:economics; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D008329:Managed Care Programs / Q000191:economics*; D006278:Medicare / Q000191:economics*; D011057:Politics; D011306:Prescription Fees; D014481:United States