Chung Nam Kang, Jong Oh Kim, Dong Wook Kim, Young Do Koh, Sang Hoon Ko, Jae Doo Yoo, Joo Seok Eom, Dong Wook Lee

J Korean Soc Fract.1997;10(4):772-777.   Published online 2016 June 24     DOI: http://dx.doi.org/10.12671/jksf.1997.10.4.772