Costa AP, Hirdes JP, Heckman GA, Dey AB, Jónsson PV, Lakhan P, Ljunggren G, Singler K, Sjöstrand F, Swoboda W et al..  2014.  Geriatric syndromes predict postdischarge outcomes among older emergency department patients: Findings from the interRAI Multinational Emergency Department Study. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine. 21(4):422-33.