title: Particle Therapy at the "Tipping Point": An Introduction to the Red Journal's Special Edition.
authors.affiliation: Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts. Electronic address: azietman@partners.org.
authors.forename: Anthony L
authors.initials: AL
authors.lastname: Zietman
mesh_terms: D002173:Cancer Care Facilities / Q000458:organization & administration; D017327:Clinical Trials, Phase IV as Topic; D003906:Developing Countries; D019317:Evidence-Based Medicine / Q000592:standards; D063193:Heavy Ion Radiotherapy / Q000191:economics / Q000639:trends*; D006801:Humans; D009068:Movement; D009369:Neoplasms / Q000532:radiotherapy*; D058958:Organs at Risk / Q000528:radiation effects; D061766:Proton Therapy / Q000191:economics / Q000639:trends*; D011643:Publishing / Q000706:statistics & numerical data; D016032:Randomized Controlled Trials as Topic; D012062:Relative Biological Effectiveness