title: Proton therapy holds promise, but some call for more research.
authors.forename: Carrie
authors.initials: C
authors.lastname: Printz
mesh_terms: D004470:Economics, Medical; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D061766:Proton Therapy; D012106:Research; D013679:Technology, Radiologic / Q000191:economics / Q000639:trends; D011522:Protons
chemical_list: D011522:Protons