by 송창석, Chang Seok Song, 박동일, Dong Il Park
Published in The Korean journal of medicine (01.07.2011)

by 전성우, Seong Woo Jeon
Published in The Korean journal of medicine (01.04.2011)

by 천재희, 김나영, 이동호, 김진욱, 황진혁, 박영수, 김정목, 서승오, 정현채, 송인성
Published in The Korean journal of gastroenterology (01.02.2005)

by 김범진, Beom Jin Kim
Published in The Korean journal of medicine (01.02.2016)