Diagnosis and treatment for Helicobacter pylori infection; pancreatic neoplasms; clinicopathologic analysis Endoscopic ultrasonography Risk manegement of gastrointestinal endoscopy Development of training system of GI endoscopy
日本大腸肛門病学会
, 日本膵臓学会
, American college of gastroenterology
, American college of physician
, American gastroenterological association
, 日本消化器病学会
, 日本消化器内視鏡学会
, 日本内科学会