Byeong Gun Park, Il Seok Chun, You Pan Rhee, So Young Choi, Ki Ryang Kim, Se Ho Jang, Jin Yong Hwang, Dong Ju Choi, Bong Gown Seo, Seong Ho Kim, Seon Ju Kim

Korean Circ J.1997;27(6):671-676.   Published online 1997 June 30     DOI: http://dx.doi.org/10.4070/kcj.1997.27.6.671