About Hirayama, Yoji
About Department of General Medicine and Primary Care, Tokyo Medical University Hospital
About Kawakami, Kohei
About Department of General Medicine and Primary Care, Tokyo Medical University Hospital
About Harada, Yoshimi
About Department of General Medicine and Primary Care, Tokyo Medical University Hospital
About Kawai, Takashi
About Endoscopy Center, Tokyo Medical University Hospital
About Otaki, Junji
About Center for Medical Education, Hokkaido University Graduate School of Medicine
About Journal of Gastroenterology and Hepatology (Australia)
About Helicobacter