title: [Cancer and radiotherapy. (7) Radiation therapy with proton, alpha particles, heavy ions and negative pion beams].
mesh_terms: D000512:Alpha Particles; D004601:Elementary Particles; D004735:Energy Transfer; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D010315:Particle Accelerators; D011522:Protons; D011879:Radiotherapy Dosage
chemical_list: D011522:Protons