Witts, L. J., (ed.) <br/><br/>
Medical surveys and clinical trials : Some methods and applications of group research in medicine / 

 - New York:  Oxford University Press,  1959 
 - x,328 p.:  ill. ;  22cm 
<br/><br/> Acc. No. 00760 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine