The use of radioactive cobalt in nonresectable head and neck cancer.
D003035:Cobalt; D003037:Cobalt Radioisotopes / Q000627:therapeutic use*; D006258:Head and Neck Neoplasms; D006801:Humans
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT, RADIOACTIVE/therapeutic use; HEAD/neoplasms; NECK/neoplasms