Hobson, W. <br/><br/>
The Theory and practice of public health  W. Hobson. 

 - 3rd ed. 
 - London  Oxford  1969 
 - xi, iii, 520p.: ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health Medicine preventive Environmental health.
<br/><br/><label>Dewey Class. No.: </label>614  / H69T