A comparison of hematologic values between 12-to 14-week-old Sl/Sl^17H and control Sl/+mice. (A) Hematocrit levels, (B) peripheral RBC counts, (C) peripheral WBC counts, and (D) BM cellularity. A minimum of 3 mice were examined in each group. Data shown are the mean ± SEM. *P < .05.