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Chromosome aberrations in primary culture cells ((a), (c), (e), and (g)) and peripheral lymphocytes ((b), (d), (f), and (h)): acentric fragments ((a), (b)); chromosome break (c); chromatid break (d); chromosome rearrangement with addition/deletion ((e), (f)); telomeric association (g), centromeric association ((e), (h)); early chromatid separation (thin arrow in (a), (e)).
