Okasha Hussein Hassan, Naga Yehia M, El Sherbiny Mohammad
Department of Internal Medicine, Division of Gastroenterology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Department of Medicine, Division of Digestive Diseases, University of Mississippi Medical Center, Jackson, MS, USA.
Endosc Ultrasound. 2020 Sep-Oct;9(5):277-279. doi: 10.4103/eus.eus_33_20.