One problem in using these clonality analysis methods , however , is that there may be significant variation in Lyonization in blood cells in normal individuals .
one problem in using these clonality analysis methods , however , is that there may be significant variation in lyonization in blood cells in normal individuals .
O O O O O B-other_name I-other_name I-other_name O O O O O O O O O O O B-other_name O B-cell_type I-cell_type O B-multi_cell I-multi_cell O