These large absolute differences between the skeletal ages of the hand-wrist and the knee cannot be explained completely by the effects of observer errors.
手腕部和膝部骨龄之间所存在的较大的绝对差值不能完全用观察误差加以解释。
These large absolute differences between the skeletal ages of the hand-wrist and the knee cannot be explained completely by the effects of observer errors.
手腕部和膝部骨龄之间所存在的较大的绝对差值不能完全用观察误差加以解释。
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