title: Protons. A step forward or perhaps only more expensive radiation therapy?
authors.forename: Olav
authors.initials: O
authors.lastname: Dahl
mesh_terms: D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011522:Protons; D018787:Radiation Oncology; D011879:Radiotherapy Dosage; D011880:Radiotherapy Planning, Computer-Assisted / Q000379:methods*; D020266:Radiotherapy, Conformal / Q000295:instrumentation*; D013548:Sweden
chemical_list: D011522:Protons