Jia Yunbo, Dietrich Christoph F, Sun Siyu
Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China.
Department of Allgemeine Innere Medizin, Kliniken Hirslanden Bern, Beau Site, Salem and Permanence, Bern, Switzerland.
Endosc Ultrasound. 2021 Nov-Dec;10(6):401-403. doi: 10.4103/EUS-D-21-00220.