"Machin, David; Fayers, Peter M.; Campbell, Michael J." <br/><br/>
Sample Size Tables for Clinical Studies [With Disk] 

 - 2nd 
 - 315P   cm 30 
<br/><br/><label>ISBN: </label>978 0865428700 
<br/><br/><label>Dewey Class. No.: </label>610.15195  /  M 115