Jin Duochen, Peng Lei, Zhang Guoxin
Department of Gastroenterology, First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
First Clinical Medical College of Nanjing Medical University, Nanjing, China.
Dig Endosc. 2020 Jan;32(1):e19-e21. doi: 10.1111/den.13557. Epub 2019 Nov 16.