GONZALEZ, Filipe; MARTINS, Duarte; BACARIZA, Jacobo; GOMES, Rui; FERNANDES, Antero. Portal Vein Pulsatility, A Better Indicator of Volume Status in COVID-19?. Cardiology and Cardiovascular Medicine, [S. l.], v. 4, n. 6, p. 715–717, 2020. Disponível em: http://www.fortunejournals.org/ojs/index.php/ccm/article/view/15978. Acesso em: 21 jun. 2026.