Koh Jiwon, Lee Kook Lae, Lee Myong Seok, Ahn Hye Sung, Chang Mee Soo
Department of Pathology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Gastrointestinal Endoscopy Center, Division of Gastroenterology, Department of Internal Medicine, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Gastrointest Endosc. 2019 Feb;89(2):433-435. doi: 10.1016/j.gie.2018.10.003. Epub 2018 Oct 16.