Armitage, P. <br/><br/>
Statistical methods in medical research / 
P. Armitage and G. Berry. 
 - 2nd ed. 
 - Oxford :  Blackwell Scientific,  [1987] 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> L.54.50 each 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics.