title: Introducing Policy Perspectives.
authors.affiliation: Division of Thoracic Surgery, Massachusetts General Hospital, Boston, Massachusetts. Electronic address: dmathisen@partners.org.
authors.forename: Douglas J
authors.initials: DJ
authors.lastname: Mathisen
mesh_terms: D002017:Budgets / Q000331:legislation & jurisprudence*; D006801:Humans; D006278:Medicare / Q000191:economics* / Q000331:legislation & jurisprudence*; D010820:Physicians / Q000191:economics*; D012051:Reimbursement Mechanisms / Q000331:legislation & jurisprudence*