The prognostic accuracy evaluation of SAPS 3, SOFA and APACHE II scores for mortality prediction in the surgical ICU: an external validation study and decision-making analysis oleh Antônio Luis Eiras Falcão, Alexandre Guimarães de Almeida Barros, Angela Alcântara Magnani Bezerra, Natália Lopes Ferreira, Claudinéia Muterle Logato, Filipa Pais Silva, Ana Beatriz Francioso Oliveira do Monte, Rodrigo Marques Tonella, Luciana Castilho de Figueiredo, Rui Moreno, Desanka Dragosavac, Nelson Adami Andreollo