Kwang Kon Koh, Myung A Kim, Joo Hee Cho, Myoung Mook Lee, Young Bae Park, Yun Shik Choi, Jung Don Seo, Young Woo Lee

Korean Circ J.1991;21(2):248-262.   Published online 1991 April 30     DOI: http://dx.doi.org/10.4070/kcj.1991.21.2.248