Li De-Feng, Zhang Ding-Guo, Yao Jun
Department of Gastroenterology, the 2nd Clinical medicine College (Shenzhen People's Hospital) of Jinan University, Shenzhen, China.
Gastroenterology. 2019 Dec;157(6):e9-e10. doi: 10.1053/j.gastro.2019.07.020. Epub 2019 Jul 15.