853234.fig.002a
(a)
853234.fig.002b
(b)
Figure 2: Effect of DBT extract prepared from Radix Astragali and Radix Angelicae Sinensis at a ratio of 5 : 1 on osteoblast proliferation and differentiation by (a) MTT assay and (b) ALP activity assay, respectively. Results are expressed as percentage of control (, , and versus control).