Polgar, S., <br/><br/>
Introduction to research in the health sciences / Stephen Polgar &  Shane A. Thomas. 

 - 6th edition 
 - Edinburgh   Churchill Livingstone/Elsevier   2013 
<br/><br/><label>ISBN: </label>9780702041945 
<br/><br/><label>National Library of Medicine Call No.: </label>W 20.5