Nelson Kenrad E <br/><br/>
Infectious disease epidemiology    Theory and practice. 

 - Maryland  Aspen Publication        2001 
 - xx,748p.  cm. 
<br/><br/><label>Standard No.: </label>115286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>L:42, P1