M. R. Khan, A. K. Al Miraj, M. Ajmain, M. M. Rahman, and A. B. M. Safiullah, “Clinical Profile and Upper Gastrointestinal Endoscopic Findings in Patients with Dysphagia and Its Relation to Alarm Symptoms”, BJMAS, vol. 4, no. 2, pp. 47–53, Apr. 2023.