Cobalt 60 beam therapy unit.
D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D011878:Radiotherapy / Q000295:instrumentation*
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; NEOPLASMS/therapy; RADIOTHERAPY/apparatus and instruments