比较两组病人胰岛素笔注射及相关知识掌握率。
The two groups were compared in view of the mastery of knowledge of injection by insulin pen.
同类产品只可以存放两支胰岛素笔，且不能存放较粗的注射笔。
The similar products can only store 2 insulin pens and can't obtain the Humulin pens at all.
同类产品只可以存放两支胰岛素笔，且不能存放较粗的注射笔。
The similar products can only store 2 insulin pens and can't obtain the Humulin pens at all.
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