Morris, J.N. <br/><br/>
Users of epidemiology 
J N Morris 
 - 3rd ed. 
 - London  Chruchill Livingstone  c1975 
 - [6], 318p,:  ill.; maps.;  22cm. 
<br/><br/><label>Dewey Class. No.: </label>6164.4  / MOR