DR. AHMED MOHAMMED AHMED; ABDULLAH ABDULKHALIQ QAZZAZ; DR. HYDAIR SACHET KHALAF. ENDOSCOPIC EXAMINATION OF UPPER GASTROINTESTINAL TRACT. World Bulletin of Public Health, [S. l.], v. 13, p. 146-156, 2022. Disponível em: https://scholarexpress.net/index.php/wbph/article/view/1286. Acesso em: 14 nov. 2024.