Hyun Suk Choi, Moo-Yong Lee, Young-Jin Choi, Seong-Choon Choe, Hyo-Soo Kim, Dae-Won Sohn, Byung-Hee Oh, Myung-Mook Lee, Young-Bae Park, Yun-Shik Choi, Young-Woo Lee, Myung Yong Lee

Korean Circ J.1998;28(5):768-773.   Published online 1998 May 31     DOI: http://dx.doi.org/10.4070/kcj.1998.28.5.768