Jong Ju Jeong, Yong Sang Lee, Seung Chul Lee, Sang-Wook Kang, Woong Youn Chung, Hang-Seok Chang, Won Youl Seo, Ki Jun Song, Cheong Soo Park

J Korean Med Sci.2011;26(8):996-1000.   Published online 2011 July 27     DOI: http://dx.doi.org/10.3346/jkms.2011.26.8.996