Costa AP, Hirdes JP, Ariño-Blasco S, Berg K, Boscart VM, Carpenter CR, Curtin-Telegdi N, Émond M, Gray L, Heckman G et al..  2017.  interRAI Emergency Department (ED) Assessment System Manual: For Use with the interRAI ED Screener (EDS) and ED Contact Assessment (ED-CA). Version 9.3. :114.