Baseline values for number of progenitor cells in (A) bone marrow (results expressed per 10⁵ mononuclear cells) and (B) blood (results expressed per mL blood). Results are mean of triplicate cultures for 62 individuals. Patients were randomized to receive G-CSF alone (•, n = 18) or G-CSF plus SCF (○, n = 44). Median results are indicated by horizontal line.