Friis Robert H, Sellers Thomas A <br/><br/>
Epidemiology  for public health practice 

 - 2nd 
 - Maryland  Aspan Publishers Inc  1999 
 - 504p  16cm 
 -   .
<br/><br/>  
<br/><br/>  Epidemiology 
<br/><br/><label>ISBN: </label>0834211785 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>Dewey Class. No.: </label>WA105  / FRI