title: Why Is Proton Beam Therapy So Controversial?
authors.affiliation: Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts.
authors.forename: Harald
authors.initials: H
authors.lastname: Paganetti
authors.affiliation: Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts. Electronic address: azietman@partners.org.
authors.forename: Anthony
authors.initials: A
authors.lastname: Zietman
mesh_terms: D017048:Health Care Costs; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis / Q000532:radiotherapy*; D061766:Proton Therapy / Q000191:economics* / Q000639:trends*; D011829:Radiation Dosage; D018570:Risk Assessment; D014481:United States