Ui Seoung Yoon, Keun Woo Kim, Yong Hoon Kim, Hak Jin Min, Kook Hyeung Cho, Min Sup Lee, Sang Rim Kim

J Korean Soc Fract.2000;13(2):334-337.   Published online 2016 June 23     DOI: http://dx.doi.org/10.12671/jksf.2000.13.2.334