Increased risk of death and readmission after hospital discharge of critically ill patients in a developing country: a retrospective multicenter cohort study - Lima, Vanessa Chaves Barreto Ferreira de; Bierrenbach, Ana Luiza; Alencar, Gizelton Pereira; Andrade, Ana Lúcia; Azevedo, Luciano César Pontes de (Intensive care medicine, 2018)