Dietrich Christoph F
Sino-German Research Center of Ultrasound in Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Medical Department 2, Caritas Krankenhaus, Bad Mergentheim, Germany.
Gastrointest Endosc. 2019 Aug;90(2):251-253. doi: 10.1016/j.gie.2019.05.019.