title: Medicare Part D and the challenge of a dynamic marketplace.
authors.affiliation: Department of Pharmaceutical Economics and Policy, University of Southern California School of Pharmacy, Los Angeles, USA.
authors.forename: Michael B
authors.initials: MB
authors.lastname: Nichol
mesh_terms: D003695:Delivery of Health Care; D007356:Insurance, Pharmaceutical Services / Q000331:legislation & jurisprudence*; D006278:Medicare; D014481:United States