Autor: |
Peng D; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China., Niu Y; Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing, China., Liu Z; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China., Li L; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China., Wang R; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China., Qiu G; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China., Zhai H; Gastroenterology, Xuanwu Hospital Capital Medical University, Beijing, China. |