Nam-Chul Jin, Hyun-Soo Kim, Dae-Hyun Kim, Young-A Song, Yeon-Ju Kim, Tae-Jin Seo, Sun-Young Park, Chang-Hwan Park, Young-Eun Joo, Sung-Kyu Choi, Jong-Sun Rew
Clin Endosc.2011;44(1):38-43. Published online 2011 September 30
DOI:
http://dx.doi.org/10.5946/ce.2011.44.1.38