title: Radiation therapy with negative pions. A proposal for clinical trials.
mesh_terms: D002470:Cell Survival / Q000528:radiation effects; D004583:Electrons; D004601:Elementary Particles; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D009686:Nuclear Physics; D010100:Oxygen
chemical_list: D010100:Oxygen