Jiang Xi, Pan Jun, Li Zhao-Shen, Liao Zhuan
National Clinical Research Center for Digestive Diseases, Department of Gastroenterology, Changhai Hospital, Second Military Medical University, Shanghai, China.
VideoGIE. 2019 May 30;4(6):239-243. doi: 10.1016/j.vgie.2019.03.003. eCollection 2019 Jun.