题目内容
对于某一部位正常菌群失调本质叙述正确 的是( )
2021-09-30
A.正常菌群中各菌数量和质量变化
B.正常菌群中菌数量减低
C.正常菌群中菌数量增加
D.革兰氏阳性菌数量增加
E.革兰氏阴性菌数量减低
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