Kwang Soo Cha, Jong Cheol Park, Jeong Pyung Seo, Sang Chun Lim, Joo Hyung Park, Myung Ho Jeong, Jeong Gwan Cho, Jong Chun Park, Jung Chaee Kang, Yung Woo Shin, Ock Kyu Park

Korean Circ J.1997;27(9):821-829.   Published online 1997 September 30     DOI: http://dx.doi.org/10.4070/kcj.1997.27.9.821