Yoon Jin Choi, Jae Ho Cho, Dong Ho Lee, Dong Jin Song, Young Jae Kwon, Sung Min Baek, Yang Jin Kim, Min Ho Jang, Dong Han Lee, Ha Young Park, Min Cheol Kim, Ji An Yang

Korean J Gastroenterol.2019;73(6):341-349.   Published online 2019 June 27     DOI: http://dx.doi.org/10.4166/kjg.2019.73.6.341