Ragab Khaled, Elmeligui Ahmed Mohammed, Atalla Hassan, Okasha Hussein Hassan
Division of Gastroenterology, Hepatology and Endoscopy, Theodor Bilharz Research Institute, Giza, Egypt.
Division of Gastroenterology, Hepatology and Endoscopy, Kasr Alainy School of Medicine, Cairo University, Cairo, Egypt.
Endosc Ultrasound. 2022 Mar-Apr;11(2):145-146. doi: 10.4103/EUS-D-21-00017.