Use of vena cava inferior collapsibility index and perfusion index in volume status monitoring during intermittent fasting in the ramadan . Annals of Medical Research, [S. l.], v. 28, n. 5, p. 0957–0962, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/507. Acesso em: 4 apr. 2025.