Rao, P.S.S. Sunder <br/><br/>
Introduction to biostatistics and research methods /  
P.S.S. Sunder Rao, J. Richard 
 - 4th ed 
 - New Delhi :  Printice-Hall of India,  2008. 
 - xiv, 262 p.  
<br/><br/><label>ISBN: </label>978812032876 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biostatistics.<br/>Research methodology.