Armitage, P. <br/><br/>
Sequential medical trials 
P., Armitage. 
 - Oxford  Blackwell Scientific  1975 
 - xi, 194p., 23cm. 
<br/><br/><label>ISBN: </label>0-632-08790-0. 
<br/><br/><label>Dewey Class. No.: </label>616  / A73S