title: Particle radiation therapy: requiem or reveille.
abstract: The 1960s and 1970s witnessed a surge of many institutions devoted to electron therapy. Currently, many facilities are adding or have added particle types of radiation to their armamentarium against cancer. The authors review the concepts, problems, and potentials of this form of therapy.
mesh_terms: D004601:Elementary Particles; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D010315:Particle Accelerators; D011787:Quality of Health Care; D011878:Radiotherapy / Q000191:economics