Modification of HeLa cell survival by 250-kvp and cobalt-60 radiation: variation with depth in tissue-equivalent phantom.
D002470:Cell Survival; D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D009369:Neoplasms; D019047:Phantoms, Imaging; D014965:X-Rays
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; NEOPLASMS; ROENTGEN RAYS/effects