This is the first upright MRI study to document reduced disc height and greater lumbar asymmetry for common backpack loads in children.

这是第一个直立mri研究儿童常见的背包负荷引起的椎间盘高度降低和腰椎曲率增大的文字记载。

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This is the first upright MRI study to document reduced disc height and greater lumbar asymmetry for common backpack loads in children.

这是第一个直立mri研究儿童常见的背包负荷引起的椎间盘高度降低和腰椎曲率增大的文字记载。

youdao