†Department of Orthopaedics, University of California, Davis, School of Medicine, 4860 Y Street, Sacramento, California 95817. E-mail address: rmszabo@ucdavis.edu.
‡Brobeck, Phleger & Harrison, 1633 Broadway, 47th Floor, New York, N.Y. 10019. E-mail address: kking@brobeck.com.