ARMITAGE, P. <br/><br/>
Statistical methods in medical research 

 -  Oxford : Blackwell  1971 
 - 504 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistical : medical science : medical research
<br/><br/><label>Dewey Class. No.: </label>519.2:61  / A65