Lopes,D. Renato and Harrington,A.Robert. <br/><br/>
Understanding clinical research. 

 - New York:  Mcgraw hill,  2013. 
 - xv, 245 p:  ill,  31.2 cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780071746786