In contrast , semiquantitative RT-PCR analysis of RNA from reticulocytes of the same chimeric animals suggested that the ES cell-derived reticulocytes were present at a level of 6% to 8% .
in contrast , semiquantitative rt-pcr analysis of rna from reticulocytes of the same chimeric animals suggested that the es cell-derived reticulocytes were present at a level of 6% to 8% .
O O O B-other_name B-other_name O O O O B-cell_type O O O O O O O O B-cell_type I-cell_type B-cell_type O O O O O O O O O O