COBRA, S. de B.; CARDOSO, R. M.; RODRIGUES, M. P. Usefulness of the second heart sound for predicting pulmonary hypertension in patients with interstitial lung disease. São Paulo Medical Journal, [S. l.], v. 134, n. 1, p. 34–39, 2016. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/924. Acesso em: 9 mar. 2025.