Radiation Registry of Physicians.
D007953:Leukemia, Radiation-Induced / Q000453:epidemiology; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D009784:Occupational Diseases / Q000453:epidemiology*; D010336:Pathology; D011446:Prospective Studies; D011832:Radiation Injuries / Q000453:epidemiology*; D011871:Radiology; D011996:Records; D012042:Registries; D012189:Retrospective Studies; D014481:United States; D014492:United States Public Health Service