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