[Effect of fractionated roentgen irradiation in a tissue culture of human embryonic fibroblasts].
D002478:Cells, Cultured; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000528:radiation effects*; D004622:Embryo, Mammalian; D005347:Fibroblasts / Q000528:radiation effects*; D006801:Humans; D011831:Radiation Genetics