Rho Chun Park, Keyong Jae Kang, Dong Won Byun, Sang Bok Im, Se Woong Seo, Sung Koo Kim, Young Joo Kwon

Korean Circ J.1992;22(1):42-47.   Published online 1992 February 28     DOI: http://dx.doi.org/10.4070/kcj.1992.22.1.42