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4个真实的例子帮助你了解4种不同的情况。一步步的分析,告诉你治疗办法背后的思路医生是如何观察,又是如何作出诊断的!当发现孩子大便带有红色的东西时
Four real examples to help you understand four different situations. A step by step analysis to tell you the way behind the treatment How doctors observe and how to make a diagnosis! When the child stool with red things