"Polgar, Stephen; Thomas, Shane A." <br/><br/>
"Introduction to Research in the Health Sciences, 6th Edition" 

 - 6th 
 - 253p    cm 28 
<br/><br/><label>ISBN: </label>978 0702041945 
<br/><br/><label>Dewey Class. No.: </label>610.72  /  P 758