Number of white blood cells (WBC), granulocytes, monocytes and platelet following treatment with busulfan. (A) white blood cells, (B) Neutrophils, (C) Eosinophils, (D) Lymphocyte, (E) Monocytes, and (F) platelets are presented as the number of total white blood cells. A statistical analysis was conducted to determine differences in cell numbers between the 0 mg/kg (control) group and each busulfan treatment group in the same week 5 (*p < 0.05, n = 9).