Pedrosa, Ivanilda Lacerda, Maria do Carmo Andrade Duarte de Farias, Francisco Alírio da Silva, Vanessa Rolim Barreto Cavalcante, Cláudia Sarmento Gadelha, & Rodolfo Herberto Schneider. " Characteristics and Prognostic Factors of Elderly Patients in Intensive Care Unit." International Archives of Medicine [Online], 8 (2015): n. pag. Web. 9 Jul. 2020