Kyung Il Han, Ki Hoon Han, Seung Woo Park, Suk Keun Hong, Dae Won Sohn, Myoung Mook Lee, Young Bae Park, Jung Don Seo

Korean Circ J.1991;21(5):889-896.   Published online 1991 October 31     DOI: http://dx.doi.org/10.4070/kcj.1991.21.5.889