Yong Joon Kim, Rak Kyeong Choi, Moo Yong Lee, Seog Yeon Kim, Yong Deog Jeon, Sang Min Lee, Jee Yon Kim, Gyung Wan Min, Hong Soon Lee, Hak Choong Lee

Korean Circ J.1992;22(5):890-897.   Published online 1992 October 31     DOI: http://dx.doi.org/10.4070/kcj.1992.22.5.890