Woodward, Mark <br/><br/>
Epidemiology : study design and data analysis 

 - 3rd. ed. 
 - Boca Raton  CRC Press  2014. 
 - xxii;832 p. 
<br/><br/><label>ISBN: </label>9781439839706 
<br/><br/><label>Source: </label> 7497.00 PKR