Effect of SBG on histological structure of rats in (×200, ×400). A, B: control; C, D: Model group; E, F: Positive drug group; G, H: SBG-H dose group; I, J: SBG-M dose group; K, L: SBG-L dose group.

Stain: H & E. Magnification: A, C, E, G, I, K= 200X; B, D, F, H, J, L=400X.