方法选择120例老年性骨质疏松症患者，随机分为观察组和对照组。
Methods 120 cases of senile osteoporosis were randomly divided into trial group and control group.
目的探讨跟骨定量超声在诊断老年性骨质疏松症中的可行性及T值和Z值在诊断中的意义。
Objective Observe the effect and significance of quantitative ultrasound and T-score, Z-score on the diagnosis of osteoporosis.
目的从骨髓细胞分化角度研究年龄相关的成骨和破骨细胞分化的机理，探讨老年性骨质疏松症的发生机理。
Objective To discuss the mechanism of age-related the osteoblast and osteoclast differentiation from marrow cells and discuss the mechanism of aged bone loosing disease.
目的从骨髓细胞分化角度研究年龄相关的成骨和破骨细胞分化的机理，探讨老年性骨质疏松症的发生机理。
Objective To discuss the mechanism of age-related the osteoblast and osteoclast differentiation from marrow cells and discuss the mechanism of aged bone loosing disease.
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