ATR and B-cell chronic lymphocytic leukemia: The P/μg ratio for EV-depleted RPMI was higher than AIM V: 1.11 × 109 ± 6.52 × 108 versus 5.97 × 108 ± 4.36 × 108 and 4.96 × 108 ± 2.59 × 108 versus 3.96 × 108 ± 2.21 × 108 P/μg for MEC1 and OSU-CLL, respectively (Figure 3D and Supplemental Figure 5A).