title: Proton therapy for prostate cancer: time for evidence.
authors.lastname: The Lancet Oncology
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D019458:Insurance Coverage; D008297:Male; D006278:Medicare; D011471:Prostatic Neoplasms / Q000532:radiotherapy*; D061766:Proton Therapy / Q000191:economics; D014481:United States