Sung Gyun Ahn, Seung Jea Tahk, Jae Chul Whang, Sang Yong Yoo, Hyuk Jae Jang, Lian Zhe Xun, So Yeon Choi, Kyo Seung Hwang, Myung Ho Yoon, Joon Han Shin, Byung Il Choi, Do Hun Kim

Korean Circ J.2000;30(10):1307-1311.   Published online 2000 October 31     DOI: http://dx.doi.org/10.4070/kcj.2000.30.10.1307