Armitage P <br/><br/>
Statistical Methods In Medical Research/ 
P. Armitage. 
 - Oxford:  Blackwell Scientific,  1971 
 - 504 pages  24cm 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>632054301 
<br/><br/><label>LC Class. No.: </label>R852