[Comparative study of the effect of gamma rays of cobalt 60 and of 200kV roentgen rays on the lethality of C 57 mice].
D000818:Animals; D003035:Cobalt; D003037:Cobalt Radioisotopes; D005720:Gamma Rays; D051379:Mice; D011830:Radiation Effects; D011851:Radioactivity; D014965:X-Rays
D003037:Cobalt Radioisotopes; D003035:Cobalt
COBALT/radioactive; RADIATION EFFECTS/experimental