Atypical presentation at acute gastritis: significant gastric wall thickening as a presentation of a primary Helicobacter pylori infection in children, Kiyokuni Nakamura, Tamura Ryo, Yasui Yoshitomo, Okajima Hideaki, BMJ case reports, 14:e243912, 2021
Novel application of infliximab for diversion colitis, Miori Kido, Ryo Tamura, Yoshitomo Yasui, Hideaki Okajima, BMJ Case Reports, 14:e243284, 2021
Differences in isolated bacteria between perforated and non-perforated appendicitis: an analysis of 680 consecutive appendicectomies in a single institution, Ryo Tamura, Kiyokuni Nakamura, Taichi Hirotani, Yoshitomo Yasui, Hideaki Okajima, Pediatric Surgery International, 38:1887-1893, Dec. 2022
