The telegammatherapy with cobalt 60.
D003035:Cobalt; D003036:Cobalt Isotopes; D003037:Cobalt Radioisotopes; D011867:Radioisotope Teletherapy
D003036:Cobalt Isotopes; D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT ISOTOPES; RADIOISOTOPE TELETHERAPY