Forthofer, Ronald N. Etc <br/><br/>
Biostatistics  A guide to design, analysis and discovery / 

 - 2nd ed. 
 - New Delhi :  Elsevier ,  2007. 
 - xvii+502 
<br/><br/><label>ISBN: </label>9780123694928 
<br/><br/><label>Subjects--Index Terms: </label>Biostatistics