Hill, A. Bradford <br/><br/>
Principles of medical statistics / 
A. Bradford Hill 
 - 6th ed. 
 - New York :  Oxford University Press ,  1956 
 - ix, 314p. :  ill. ;   22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics
<br/><br/><label>Dewey Class. No.: </label>311  / HIL