TABLE ITI Dicentrics Rings No. of Chromosome Aberrations Exchanges No. of Cells with Aberrations Chromatid Breaks Isogaps Remarks* Exposed, 1/75 rad 2 + ~ 12 eM 2 2 2 1 11 M 4 48 M 18 31 «6 19 15 M 23 14 M 24 23 =F 27 36 OM 32 13 M 34 55 ~=&F 35 23. M 37 30 M 39 25 *F 40 39 M 42 13. «OF 49 25 #F 1 54 11 M 4 58 69 F 60 66 F 61 18 =F 1 4 2 2 2 Thyroid pathology Thyroid pathology 1 1 1 Thyroid pathology 2 2 4 3 1 3 1 1 2 2 breaks scored for one quadriradial 1 3 L 1 1 1 3 Thyroid pathology 1 1 1 1 1 4 L 2 2 1 1 1 1 1 1 2 2 Thyroid pathology zZ Thyroid pathology 1 Thyroid pathology tage in years at time of examination, i.e., 10 years after exposure. . we eeSRO. evelacer oot Matean ee Te Aget Sex Fragments ee ee ee Subject No, “ epee me tee ts eee T= wn se - « - as =. me me meee eee gz7n800S Analysis of Structural Aberrations

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