BCL2 and acute myeloid leukemia: Gating the Ki-67 proliferation indices and Bcl-2 anti-apoptotic indices based on the predefined gating thresholds of 40 FU and 100 FU led to the diminishment of significant differences between the Ki-67 proliferation indices in CD34 positive blast cells and erythroid cells of non-malignant cases, MDS patients and AML patients.