Riew K Daniel, Norvell Daniel C, Chapman Jens R, Skelly Andrea C, Dettori Joseph R
Washington University Orthopedics, Washington University School of Medicine, St. Louis, MO 63110, USA.
Spine (Phila Pa 1976). 2012 Oct 15;37(22 Suppl):S1-7. doi: 10.1097/BRS.0b013e31826cef01.