目的了解老年人PYD的检测值以及与前臂骨密度动态变化之间的关系。
Objective To evaluate the relationship between the urinary excretion of pyridinoline ( PYD) and longitudinal changes of forearm bone mineral density in the elderly.
目的了解老年人PYD的检测值以及与前臂骨密度动态变化之间的关系。
Objective To evaluate the relationship between the urinary excretion of pyridinoline ( PYD) and longitudinal changes of forearm bone mineral density in the elderly.
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