Fig. 2-A

Stanford University Libraries' HighWire Press (TM) assists in the publication of JBJS Online.
Copyright © 2008 by The Journal of Bone and Joint Surgery, Inc. Online ISSN: 1535-1386.
The Journal of Bone and Joint Surgery®, JBJS®, JB&JS®, and eJBJS® are registered in the U.S. Patent and Trademark Office.