Fleiss, Joseph L. <br/><br/>
The design and analysis of clinical experiments / 
Joseph L. Fleiss. 
 - New York :  John Wiley & Sons,  1986. 
 - 432 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471820474 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical trials--Statistical methods.<br/>Medicine, Clinical--Problems, exercises, etc.