| 摘 要： | Objective: To evaluate the efficacy of Genni-anchun (GNC) in preventing primary osteoporosis. Methods: Fifty female SD rats of 10 - 12 months old were randomly divided into five groups. Except those in the sham operation group, animals were ovariectomized bilaterally. The gastric perfusion was started immediately after operation, with normal saline to the sham operation group and model group; GNC to high dose (2 ml) and low dos (1 ml) GNC groups and Nilestriol to the NE group, every day for 3 months. Animals were sacrificed at the end of experiment, their vertebra and
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