Hill, A. Bradford  Sir,  1897- <br/><br/>
Principles of medical statistics / 
by A. Bradford Hill 
 - 5th rev. enl. ed. 
 - New York :  The University Press,  1952 
 - ix, 381 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> usd 3.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics