An Introduction To Social Medicine/ 
Mckeown,Thomas 
 - 2nd Ed. 
 - Oxford:  Blackwel scientific publications,  1974. 
 - 356 p. 
<br/><br/><label>ISBN: </label>0632093102 
<br/><br/><label>Dewey Class. No.: </label>306.461  / MCK/I