Hirokazu Yamagami

A Prospective Trial Comparing Wireless Capsule Endoscopy and Double-Balloon Enteroscopy in Patients with Obscure Gastrointestinal Bleeding

Masatsugu Shiba, Kazuhide Higuchi, Tetsuo Arakawa, 2006 .

The association between environmental factors and the development of Crohn’s disease with focusing on passive smoking: A multicenter case-control study in Japan

Kenji Watanabe, Yoshio Hirota, H. Yamagami, 2019, PloS one.

Usefulness of Non-Magnifying Narrow-Band Imaging in Screening of Early Esophageal Squamous Cell Carcinoma: A Prospective Comparative Study Using Propensity Score Matching

Masatsugu Shiba, Tetsuo Arakawa, Hirotoshi Okazaki, 2014, The American Journal of Gastroenterology.