Wang Xia-Qing, Wei Yong-Qiu, Li Peng, Zhang Shu-Tian
Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
Chronic Dis Transl Med. 2020 Jul 29;6(3):141-146. doi: 10.1016/j.cdtm.2020.07.001. eCollection 2020 Sep.