Successful detection of choledochojejunal and pancreaticojejunal anastomotic strictures using a novel form of texture and color enhancement imaging - Toyonaga, Haruka; Kin, Toshifumi; Nakamura, Risa; Ishii, Tatsuya; Iwano, Kosuke; Takahashi, Kuniyuki; Katanuma, Akio (Endoscopy, 2022)