Similar chromosomal rearrangements occur also in the clonally expanded T cells in AT patients before the appearance of the overt leukemia .
similar chromosomal rearrangements occur also in the clonally expanded t cells in at patients before the appearance of the overt leukemia .
O O O O O O O O O B-cell_type I-cell_type O B-other_name B-multi_cell O O O O O B-other_name I-other_name O