Jin Sook Ryu, In Whan Seong, Jae Joong Kim, Eun Sil Yu, Seong Wook Park, Seung Jung Park, Jong Koo Lee

Korean Circ J.1991;21(3):626-632.   Published online 1991 June 30     DOI: http://dx.doi.org/10.4070/kcj.1991.21.3.626