USMLE World. <br/><br/>
USMLE world step 2 CK :  Qbank. Vol. 1 / 
USMLE World. 
 -  USMLE World,  2017. 
 - 683 p. : 
<br/><br/><label>LC Class. No.: </label>RC 58   / .U86 2017