Box and whisker plots for normal peripheral blood and bone marrow (see Figure 2) and primary leukemic patient samples.

Lowest and highest boundaries of the box indicate the 25th and 75th percentiles, respectively; the whiskers above and below the box designate the 95th and 5th percentiles, respectively; the solid line within the box represents the median value, whereas the dotted line is the mean value; dots above or below the box indicate outliers. Acute lymphoblastic leukemia (ALL, n = 5), acute myelogenous leukemic (AML, n = 5), chronic lymphocytic leukemia (CLL, n = 5), chronic myelogenous leukemia (CML, n = 6), pre-B-acute lymphoblastic leukemia (pre-B-ALL, n = 5).