Kaplan Medical. <br/><br/>
Kaplan USMLE step 1 :  Qbank. Vol. 1 / 
Kaplan Medical. 
 -  Kaplan Medical,  2016. 
 - 492 p. : 
<br/><br/><label>ISBN: </label>9781625230195 
<br/><br/><label>LC Class. No.: </label>R 834.5  / .K37 2016