[Advances in radiotherapy of cancer with gamma rays of cobalt 60].
D003035:Cobalt; D003037:Cobalt Radioisotopes; D005720:Gamma Rays; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; NEOPLASMS/radiotherapy