Hirst, Keith <br/><br/>
Microbes and disease :  A2 biology AQA specification B module 7 

 - United Kingdom :  Philip Allan Updates,  2002. 
<br/><br/> Input 4.06.08 HF. 
<br/><br/><label>ISBN: </label>9780860034780 
<br/><br/><label>Dewey Class. No.: </label>576