Crawford, Dorothy H. <br/><br/>
Deadly Companions : How Microbes Shaped Our History 
Crawford, Dorothy H. 
 -  Oxford University Press, UK  2007 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780191517648     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine