目的：研究雌激素对大鼠骨髓基质细胞增殖和分化的影响，探讨其对成骨的影响。
Objective: to study the effect of estrogen on proliferation and differentiation of rat bone marrow stromal cells and to explore the mechanism of stimulation of bone formation by estrogen.
目的：研究雌激素对大鼠骨髓基质细胞增殖和分化的影响，探讨其对成骨的影响。
Objective: to study the effect of estrogen on proliferation and differentiation of rat bone marrow stromal cells and to explore the mechanism of stimulation of bone formation by estrogen.
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