"Sundar Rao, P S S" <br/><br/>
Introduction to Biostatistics and Research Methods 

 - \\200303ENGGPCX 
 - Phi Learning Pvt Ltd   2003  New Delhi  
 - 260p. 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>812031008X