[Some physical-technical viewpoints of cobalt teletherapy].
D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D010808:Physical Examination; D011851:Radioactivity; D011878:Radiotherapy
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; RADIOTHERAPY