Matches in Library of Congress for { ?s ?p Explains how bacteria and viruses affect the human body and how the body fights them.. }
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- 84045334 abstract "Explains how bacteria and viruses affect the human body and how the body fights them.".
- 93027059 abstract "Explains how bacteria and viruses affect the human body and how the body fights them.".
- 84045334 description "Explains how bacteria and viruses affect the human body and how the body fights them.".
- 93027059 description "Explains how bacteria and viruses affect the human body and how the body fights them.".