[Effect of roentgen rays on the cells of embryonic rats in the preimplantation period of development].
D000818:Animals; D002467:Cell Nucleus; D004171:Diploidy; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D011830:Radiation Effects; D011831:Radiation Genetics; D051381:Rats; D014965:X-Rays
CELL NUCLEUS; EMBRYO; RADIATION EFFECTS; RADIATION GENETICS