Myung Kul Yum, Nam-Su Kim, Jae-Won Oh, Chang-Ryul Kim, Jae-Ung Lee, Soon-Kill Kim, Chul-Bum Lee, Chung-Il Noh, Jung-Yun Choi, Yong-Soo Yun

Korean Circ J.1998;28(3):382-393.   Published online 1998 March 31     DOI: http://dx.doi.org/10.4070/kcj.1998.28.3.382