A 20 curie telecobalt unit.
D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D011851:Radioactivity; D011878:Radiotherapy / Q000295:instrumentation*
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; RADIOTHERAPY/apparatus and instruments