MOSTAFA EZZAT MOSTAFA AHMED, MOHAMMED NAGUIB AL-KASHAB, SHERIF MOHAMMED GALAL, IBRAHIM MOHAMMED IBRAHIM. Malignant Biliary Obstruction; Evolving Endoscopic Diagnostic and Therapeutic Modalities. Pegem Journal of Education and Instruction, [S. l.], v. 14, n. 3, p. 1328–1332, 2024. Disponível em: https://pegegog.net/index.php/pegegog/article/view/5342. Acesso em: 14 oct. 2026.