Won Sock Shin, Myung Yong Lee, Seung Woo Park, Hyo Soo Kim, Myeong Chan Cho, Dae Won Sohn, Young Bae Park, Young Woo Lee

Korean Circ J.1991;21(5):821-828.   Published online 1991 October 31     DOI: http://dx.doi.org/10.4070/kcj.1991.21.5.821