Min-Jung Kwon, Jong-Jae Park, Jae-Won Yun, Hye Jin Noh, Dae Woong Yoon, Won Jin Chang, Ha Young Oh, Baek-Hui Kim, Hyunjoo Lee, Moon Kyung Joo, Beom Jae Lee, Ji Hoon Kim, Jong Eun Yeon, Jae Seon Kim, Kwan Soo Byun, Young-Tae Bak

Korean J Gastroenterol.2012;59(3):211-217.   Published online 2012 March 21     DOI: http://dx.doi.org/10.4166/kjg.2012.59.3.211