853234.fig.001a
(a)
853234.fig.001b
(b)
Figure 1: Effect of DBT extract prepared at various ratios of Radix Astragali (RA) and Radix Angelicae Sinensis (RAS) (1 : 5, 2 : 1, and 10 : 1) on osteoblast proliferation and differentiation by (a) MTT assay and (b) ALP activity assay, respectively. Results are expressed as percentage of control ( versus control).