Walwy John <br/><br/>
Public Health  an action guide to improving health 
john  walley, John Wright 
 - 2nd ed 
 - New York  Oxford university press  2010 
 - xvi,356p.:  ill; 
<br/><br/><label>ISBN: </label>9780199238934 
<br/><br/><label>LC Class. No.: </label>RA418.  / .P83 2010