Objective To observe the short-term and long-term effect of preventive therapy of bionic pulsed electromagnetic fields(BEMF) on the osteoporosis model of Wistar rats.

• 目的观察仿生脉冲电磁场(b ion ic pu lsed electrom agnetic fields,BEMF)对W istar大鼠骨质疏松动物模型不同时间点的预防性治疗作用。