The theory and practice of public health /    
edited by W. Hobson. 
 - 5th ed. 
 - Oxford :   Oxford University Press ,   1979. 
<br/><br/><label>ISBN: </label>0192642278 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health--------
<br/><br/><label>National Library of Medicine Call No.: </label>WA 100   /  T343 1979 c.3