Lehman Ronald A, Kang Daniel G
Department of Orthopaedic Surgery and Rehabilitation, Walter Reed National Military Medical Center, 8901 Wisconsin Ave., Bethesda, MD 20889, USA.
Spine J. 2012 Jun;12(6):530-1. doi: 10.1016/j.spinee.2012.05.005. Epub 2012 Jun 7.