title: Clinical trials in radiotherapy and the merits of high energy protons.
mesh_terms: D002986:Clinical Trials as Topic; D004938:Esophageal Neoplasms / Q000532:radiotherapy; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy; D008722:Methods; D011336:Probability; D011522:Protons; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D001749:Urinary Bladder Neoplasms / Q000532:radiotherapy
chemical_list: D011522:Protons