Hill, Austin Bradford <br/><br/>
Bradford Hill's principles of medical statistics / 
Austin Bradfor d Hill. 
 - 12th ed. 
 - London :  Edward Arnold,  1991 
 - viii, 339 p. :  ill. ;  28 cm 
<br/><br/>Includes bibligraphical references 
<br/><br/><label>ISBN: </label>0340537396 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics
<br/><br/><label>Dewey Class. No.: </label>610.727