USMLE Step 1 Qbook 

 - 2nd ed. 
 - New York  Simon & Schuster  2005 
 - ix, 446p. 
<br/><br/> With questions and answers 
<br/><br/><label>ISBN: </label>9780743273435 
<br/><br/><label>Dewey Class. No.: </label>610.76