Chang Kun Lee, Dae-Hee Shin, Jin Kun Jang, Kyeong-Hee Jang, Eun-Kyoung Kim, Sang-Sig Cheong, Sang-Yong Yoo

Korean Circ J.2011;41(5):276-279.   Published online 2011 May 31     DOI: http://dx.doi.org/10.4070/kcj.2011.41.5.276