Ando Katsuyoshi, Fujiya Mikihiro, Okumura Toshikatsu
Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Hokkaido, Japan.
Dig Endosc. 2019 Jan;31(1):102. doi: 10.1111/den.13275. Epub 2018 Oct 10.