Endoscopic evaluation of patients with dysphagia: A Hospital Based Study from North Eastern India. International Journal of Biomedical and Advance Research, [S. l.], v. 11, n. 6, p. e5450, 2020. Disponível em: https://www.ssjournals.co.in/index.php/ijbar/article/view/5450. Acesso em: 5 may. 2026.