[Cancer of the esophagus treated with cobalt therapy].
D003035:Cobalt; D003037:Cobalt Radioisotopes; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms; D011851:Radioactivity
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; ESOPHAGUS/neoplasms