title: Radiation incidents with a cobalt-60 teletherapy unit.
mesh_terms: D000056:Accident Prevention; D000059:Accidents; D000368:Aged; D003037:Cobalt Radioisotopes / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000532:radiotherapy; D011867:Radioisotope Teletherapy / Q000009:adverse effects*
chemical_list: D003037:Cobalt Radioisotopes