Tissue hypoperfusion markers and their prognostic value in the mortality of critically ill patients in a multipurpose unit. Actas Médicas (Ecuador), [S. l.], v. 36, n. 1, p. 72–83, 2026. DOI: 10.61284/287. Disponível em: https://actasmedicas.ec/index.php/am/article/view/287.. Acesso em: 14 apr. 2026.