RAO, B. V. N.; MAHESH, G. Belching on exertion - coronary artery disease. International Journal of Research in Medical Sciences, [S. l.], v. 8, n. 9, p. 3386–3388, 2020. DOI: 10.18203/2320-6012.ijrms20203700. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/8578. Acesso em: 13 oct. 2025.