سليمان آ.; حسان زيزفون. Analytical study of Endoscopic Ultrasound Findings in Patients with Chronic upper Abdominal pain of Unknown Etiology. Latakia University Journal -Medical Sciences Series, [S. l.], v. 45, n. 4, p. 249–260, 2023. Disponível em: https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/15381. Acesso em: 29 jul. 2025.