Step-up  A high-yield,systems-based review for the usmle step 1 
Mehta,Samir 
 - Philadelphia  Lippincott Willams&Wilkins  c1999 
 - xi,394p.:  ill, 
<br/><br/> Includes bibliographical reference and Index 
<br/><br/><label>ISBN: </label>068330755x 
<br/><br/><label>LC Class. No.: </label>R834.5  / .M45 1999