Xinxiang Medical University Xinxiang 453000 Henan Province ChinaDepartment of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Xinxiang Medical University Xinxiang 453000 Henan Province ChinaDepartment of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Pathology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Department of Gastroenterology People''s Hospital of Henan University of Chinese Medicine Zhengzhou 450000 Henan Province China;
Department of Gastroenterology Zhengzhou Central Hospital Affiliated to Zhengzhou University Zhengzhou 450000 Henan Province China;
Magnifying endoscopy; Optical-enhanced; Acetic-acid; Gastric intestinal metaplasia;