Ki Choul Kim, Kyung Hag Lee, Yong Chan Ha, Deuk Soo Hwang, Jung Taek Kim, Hee Joong Kim, Kyung Hoi Koo

J Korean Hip Soc.2009;21(4):345-350.   Published online 2016 May 3     DOI: http://dx.doi.org/10.5371/jkhs.2009.21.4.345