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. 2001 Apr 1;107(7):803–812. doi: 10.1172/JCI11653

Figure 1.

Figure 1

Content of (a) CFU-Fs and (b) CFU-OBs in fibroblastic colonies present in cultures of murine bone marrow cells. Cells were enzymatically dispersed from each of 12 randomly selected fibroblastic colonies (containing greater than 50 cells) that developed in 7-day cultures of femoral marrow cells and assayed for CFU-Fs and CFU-OBs as described in Methods. Bars represent the number of CFU-F or CFU-OB colonies obtained in the secondary culture divided by the fraction of cells used to establish the secondary culture. “0” indicates no colonies detected.