GUPTA, A.; DALL, T. S.; BANSAL, D. Endoscopic evaluation of dysphagia. International Surgery Journal, [S. l.], v. 6, n. 12, p. 4323–4326, 2019. DOI: 10.18203/2349-2902.isj20195387. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/5256. Acesso em: 31 jan. 2026.