[Telecobaltotherapy in the treatment of tumors of the rectum].
D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D009369:Neoplasms; D011878:Radiotherapy; D012004:Rectal Neoplasms; D012007:Rectum
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; RADIOTHERAPY; RECTUM/neoplasms