Yong-Soo Kwon, Yee Hyung Kim, Jae-Uk Song, Kyeongman Jeon, Junwhi Song, Yon Ju Ryu, Jae Chol Choi, Ho Cheol Kim, Won-Jung Koh

J Korean Med Sci.2014;29(9):1226-1231.   Published online 2014 September 2     DOI: http://dx.doi.org/10.3346/jkms.2014.29.9.1226