FRÍDL, P.; NIEDERLE, P.; WIDIMSKÝ, J.; RIEDEL, M.; JANDOVÁ, R. Echocardiography in pulmonary hypertension. Archives of Acoustics, [S. l.], v. 9, n. 1-2, p. 257–266, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3222. Acesso em: 29 apr. 2025.