Dong Hwan Oh, Seok Ho Dong, Chul Joon Choi, Chung Whee Choue, Kwon Sam Kim, Myung Shick Kim, Jung Sang Song, Jong Hoa Bae, Jung Guk Kim

Korean Circ J.1989;19(3):385-394.   Published online 1989 September 30     DOI: http://dx.doi.org/10.4070/kcj.1989.19.3.385