[On radiation pneumonitis. 2. Prevention of radiation pneumonitis by the new Co-60 radiation technic].
D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D011014:Pneumonia / Q000209:etiology*; D011827:Radiation; D011832:Radiation Injuries; D017564:Radiation Pneumonitis; D011851:Radioactivity
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; PNEUMONIA/etiology; RADIATION INJURY