Kyu Hyung Ryu, Rho Won Chun, Dong Jin Oh, Kyung Pyo Hong, Chong Yun Lim, Young Bahk Koh, Young Lee

Korean Circ J.1991;21(2):218-228.   Published online 1991 April 30     DOI: http://dx.doi.org/10.4070/kcj.1991.21.2.218