Female SD rats aged 10 month were divided into BBC groups (high, middle and low doses) and control group (normal physiological saline) to prepare BBC-containing serum and control serum.

• 将10月龄SD雌性大鼠分为益骨胶囊灌胃组(高、中、低剂量)和生理盐水对照组,制备含药血清和对照血清。