[Investigation report on causes of radiation overexposure accident at Hirosaki national hospital and prevention of similar accident].
D006761:Hospitals; D006801:Humans; D007564:Japan / Q000453:epidemiology; D019300:Medical Errors; D011785:Quality Assurance, Health Care; D011832:Radiation Injuries / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D018787:Radiation Oncology; D018788:Radioactive Hazard Release / Q000517:prevention & control*; D011878:Radiotherapy / Q000009:adverse effects*; D011879:Radiotherapy Dosage; D012308:Risk Management; D017751:Safety Management