title: Tier 4 drugs and the fraying of the social compact.
authors.affiliation: Partners Healthcare System, Boston, USA.
authors.forename: Thomas H
authors.initials: TH
authors.lastname: Lee
authors.forename: Ezekiel J
authors.initials: EJ
authors.lastname: Emanuel
mesh_terms: D001688:Biological Products / Q000191:economics* / Q000627:therapeutic use; D003361:Cost Allocation; D003669:Deductibles and Coinsurance; D016527:Drug Costs / Q000639:trends; D004992:Ethics, Medical; D017048:Health Care Costs / Q000639:trends; D006801:Humans; D019458:Insurance Coverage / Q000191:economics*; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D011306:Prescription Fees; D012051:Reimbursement Mechanisms; D020414:Risk Sharing, Financial; D014481:United States
chemical_list: D001688:Biological Products