Kwang Soo Cha, Moo Hyun Kim, Doo Kyoung Yang, Kwang Jin Kim, Il Hwan Oh, Jong Gi Kim, Hyun Sook Kim, Hye Jin Kim, Young Dae Kim, Jong Seong Kim

Korean Circ J.1999;29(2):153-160.   Published online 1999 February 28     DOI: http://dx.doi.org/10.4070/kcj.1999.29.2.153