Effect of electroacupuncture on the bio-chemical indices of bone and bone collagen metabo-lism and TNF-α in osteoporosis model rats without ovaries

Objective To explore the mechanisms of electroacu-puncture(EA) on postmenopausal osteoporosis(PMO).Methods Sixty female SD rats aged 6 months were selected,resected double ovaries and fed for 90 days in order to make the model of experimental osteoporosis,and then,they were randomly divided into a model control