Sun-Chul Hwang, Hyung-Kan Kim, Seong-Hee Cho, Dae-Chul Nam, Heon-Keun Lee, Kyeong-Eon Park, Jae-Boem Na, Dong-Hee Kim

J Korean Orthop Assoc.2013;48(5):397-401.   Published online 2013 October 25     DOI: http://dx.doi.org/10.4055/jkoa.2013.48.5.397