title: Smaller G chromosomes in the bone-marrow cells of heavily irradiated atomic-bomb survivors.
mesh_terms: D001853:Bone Marrow / Q000528:radiation effects*; D001854:Bone Marrow Cells; D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D007564:Japan; D009689:Nuclear Warfare; D011830:Radiation Effects