Keun Suk Yang, Howook Jeon, Youngjae Park, Ik Hyun Jo, Ji-Il Kim, In Sung Moon, Bum Soon Choi, Cheol Whee Park, Chul Woo Yang, Yong-Soo Kim, Byung Ha Chung

J Korean Med Sci.2014;29(5):648-651.   Published online 2014 April 25     DOI: http://dx.doi.org/10.3346/jkms.2014.29.5.648