基本信息
文件名称:第五章细菌感染与免疫七年制.ppt
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文档摘要

Chapter5

Bacterial

InfectionandImmunity

Section1NormalfloraandOpportunisticpathogen

?normalflorathemicroorganismthatparasitizeonthebodysurfaceortractsconnectingwithexternal,don’tharmthehostinordinarycondition.

I.?Distributionof