Erythrocyte selenium concentration predicts intensive care unit and hospital mortality in patients with septic shock: a prospective observational study - Costa, Nara Aline; Gut, Ana Lúcia; Pimentel, José Alexandre Coelho; Cozzolino, Silvia Maria Franciscato; Azevedo, Paula Schmidt; Fernandes, Ana Angelica Henrique; Polegato, Bertha Furlan; Tanni, Suzana Erico; Gaiolla, Rafael Dezen; Zornoff, Leonardo Antonio Mamede; Paiva, Sérgio Alberto Rupp de; Minicucci, Marcos Ferreira (Critical Care, 2014)