Principles and techniques of spine surgery / 
edited by Howard S. An 
 - Baltimore :  Williams & Wilkins,  1998 
 - 799 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0683302604  RM673.95 
<br/><br/><label>LCCN: </label>97-005525