Hill, Austin Bradford,  1897- <br/><br/>
Principles of medical statistics / 
by A. Bradford Hill. 
 - 6th ed. 
 - London :  The Lancet,  1955. 
 - ix, 314 p. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519  / HIP 1955 
<br/><br/><label>National Library of Medicine Call No.: </label>HA29 H645p 1971