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Statistical Analysis On The Quality of 204 Samples. (A) Sample quality grading table of gDNA agarose gel electrophoresis. (B) The distribution of different sample quality levels in samples with and without loss of 101–133 bp fragment size. The top figure represented sample quality grade distribution of samples without 101–133 bp fragment size loss. The bottom figure represented sample quality grade distribution of samples with 101–133 bp fragment size loss.
