title: Impediments to Comparative Clinical Trials With Proton Therapy.
authors.affiliation: Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas. Electronic address: jcox@mdanderson.org.
authors.forename: James D
authors.initials: JD
authors.lastname: Cox
mesh_terms: D000367:Age Factors; D002173:Cancer Care Facilities / Q000191:economics; D002986:Clinical Trials as Topic / Q000191:economics; D003406:Credentialing; D005378:Financial Support; D006801:Humans; D019458:Insurance Coverage; D007349:Insurance, Health, Reimbursement; D015337:Multicenter Studies as Topic; D009369:Neoplasms / Q000532:radiotherapy*; D009381:Neoplasms, Radiation-Induced; D017785:Photons / Q000009:adverse effects / Q000627:therapeutic use; D061766:Proton Therapy / Q000009:adverse effects / Q000191:economics / Q000295:instrumentation; D011832:Radiation Injuries / Q000191:economics / Q000517:prevention & control / Q000628:therapy; D011873:Radiology Information Systems; D016032:Randomized Controlled Trials as Topic