A quarter of North Korean defectors from regions near the northeastern Punggye-ri nuclear test site have shown chromosome mutations possibly attributable to exposure to radioactivity, data showed Monday. 25 pct of N. Korean defectors from near Punggye-ri nuclear test site show chromosome mutations: data
7 months ago
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A quarter of North Korean defectors from regions near the northeastern Punggye-ri nuclear test site have shown chromosome mutations possibly attributable to exposure to radioactivity, data showed Monday. 
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