Itoi Takao, Tsuchiya Takayoshi, Tonozuka Ryosuke, Ijima Masashi, Kusano Chika
Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
Ota Memorial Hospital, Ota City, Japan.
Gastrointest Endosc. 2016 Feb;83(2):461-2. doi: 10.1016/j.gie.2015.08.030. Epub 2015 Aug 20.