title: Designating drug classes: model guidelines for Medicare.
authors.affiliation: Department of Pharmacy Practice, USA.
authors.forename: Peter
authors.initials: P
authors.lastname: Penna
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D005569:Formularies as Topic / Q000145:classification*; D017408:Guidelines as Topic; D014481:United States