Armitage, P. <br/><br/>
Statistical methods in medical research / 
P. Armitage, G. Berry. 
 - 3rd ed. 
 - Oxford  :  Blackwell Science,  1994. 
 - xi, 620 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0632036958 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine--Research--Statistical methods.<br/>Biometry.<br/>Research--methods.