Crashing the boards :  a friendly study guide for the USMLE step 1  / 
Benjamin Yeh ... [et al.]. 
 - 2nd ed. 
 - Philadelphia :  Lippincott Williams & Wilkins,  1999. 
 - xi, 167 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780781719773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine--Examination Questions.
<br/><br/><label>LC Class. No.: </label>R 834.5  / .C73 1999