Bong Gun Song, Soo Jin Cho, Sang Yeub Lee, Jung Hyuk Kim, Seung Min Choi, Yong Hwan Park, Jin-Oh Choi, Sang-Chol Lee, Young Keun On, Seung Woo Park, June Soo Kim, PyoWon Park

Korean Circ J.2008;38(11):606-611.   Published online 2008 November 30     DOI: http://dx.doi.org/10.4070/kcj.2008.38.11.606