Riddle Ryan C, Lakhanpal Aleena, Clemens Thomas L
Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, 601N. Caroline Street, Baltimore, Maryland 21287, USA.
Joint Bone Spine. 2010 Dec;77(6):517-8. doi: 10.1016/j.jbspin.2010.08.007. Epub 2010 Sep 20.