Xing J, Li P
National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
Zhonghua Nei Ke Za Zhi. 2020 Apr 1;59(4):318-321. doi: 10.3760/cma.j.cn112138-20200210-00061.