Duk Hyun Kang, Hyun Song, Jae Kwan Song, Hyun Sook Kim, Jae Hwan Lee, Hee Young Lim, Jae Won Lee, Seong Wook Park, Seung Jung Park, Meong Gun Song

Korean Circ J.1999;29(8):802-811.   Published online 1999 August 31     DOI: http://dx.doi.org/10.4070/kcj.1999.29.8.802