OBJECTIVE: To investigate the mechanism of osteoblast allograft in enhancing the healing of osteoporotic fracture in aged SD rats.
目的：研究幼龄成骨细胞移植对促进SD老龄鼠骨质疏松性骨折愈合的作用机制。
SETTING and MATERIALS:A total of 36 SD rats of either gender, aged 2-2.5 years, were enrolled in the study.
地点与材料：本研究的地点为广州军区广州总医院实验科。 材料为36只SD大鼠2～2.5年龄，雌雄不限。
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