Fig. 3.
Dose-response effects of vitamin D3compounds on clonal proliferation of normal bone marrow-committed myeloid stem cells (CFU-GM).
Results are expressed as a mean (± SD) percentage of control plates containing no vitamin D3 analogs. = , 1,25(OH)2D3; O, Gemini-19-nor. Each point represents a mean of 3 independent experiments with triplicate dishes.