Oh Yeol Ryoo, Dai Gyune Park, Joon Kyung Bang, Cheol Ho Kim, Myoung Mook Lee, Young Bae Park, Jung Don Seo

Korean Circ J.1991;21(5):881-888.   Published online 1991 October 31     DOI: http://dx.doi.org/10.4070/kcj.1991.21.5.881

Kwang Kon Koh, Heung Kon Hwang, Pan Gum Kim, Sang Hoon Lee, Young Hi Choi, Jae Jin Han, Young Tak Lee, Pyo Won Park, Ju E Kim, Dong Heon Yoon

Korean Circ J.1990;20(3):418-423.   Published online 1990 September 30     DOI: http://dx.doi.org/10.4070/kcj.1990.20.3.418