Search results for: Kei Okumura
Journal of Gastroenterology and Hepatology > 37 > 4 > 749 - 757
Digestive Endoscopy > 31 > 5 > 552 - 557
Journal of Gastroenterology and Hepatology > 37 > 4 > 749 - 757
Digestive Endoscopy > 31 > 5 > 552 - 557