Physical and clinical advantages and limitations of cobalt 60 teletherapy. I. Physical factors.
D003035:Cobalt; D003037:Cobalt Radioisotopes; D009369:Neoplasms / Q000628:therapy*; D011851:Radioactivity
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; NEOPLASMS/therapy