Prevalence of non-obstructive dysphagia in patients with heartburn and regurgitation. Clinics, [S. l.], v. 75, p. e1556, 2020. DOI: 10.6061/clinics/2020/e1556. Disponível em: https://revistas.usp.br/clinics/article/view/167135.. Acesso em: 1 may. 2024.