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Figure 1. Periosteal cells (closed circles) and marrow stromal cells (open circles) were plated in 12-well plates at a density of 2.0 x 104 cells/well. Cell numbers were counted directly (a). FGF-pre-treated periosteal cells are indicated by closed triangles, and non-pre-treated periosteal cells are indicated by closed circles (b). Values are means ± standard deviation for 3 cultures. Asterisk indicates significant difference in the number of periosteal cells, compared with marrow stromal cells on the same day; p < 0.05.
