1.Ospina MB, Bond K, Schull M, et al. Key indicators of overcrowding in Canadian emergency departments: a Delphi study. CJEM 2007;9:339–46.
2.Andrulis DP, Kellermann A, Hintz EA, et al. Emergency departments and crowding in United States teaching hospitals. Ann Emerg Med 1991;20:980–6.
3.Fatovich DM, Nagree Y, Sprivulis P. Access block causes emergency department overcrowding and ambulance diversion in Perth, Western Australia. Emerg Med J 2005;22:351–4.
5.Richards JR, Navarro ML, Derlet RW. Survey of directors of emergency departments in California on overcrowding. West J Med 2000;172:385–8.
6.Schull MJ, Slaughter PM, Redelmeier DA. Urban emergency department overcrowding: defining the problem and eliminating misconceptions. CJEM 2002;4:76–83.
7.Asplin BR, Magid DJ. If you want to fix crowding, start by fixing your hospital. Ann Emerg Med 2007;49:273–4.
8.Forster AJ. An agenda for reducing emergency department crowding. Ann Emerg Med 2005;45:479–81.
9.DeCoster C, Roos NP, Carriere KC, et al. Inappropriate hospital use by patients receiving care for medical conditions: targeting utilization review. CMAJ 1997;157:889–96.
10.McClaran J, Tover-Berglas R, Glass KC. Chronic status patients in a university hospital: bed-day utilization and length of stay. CMAJ 1991;145:1259–65.
11.Schneider S, Zwemer F, Doniger A, et al. Rochester, New York: a decade of emergency department overcrowding. Acad Emerg Med 2001;8:1044–50.
12.Roberts DC, McKay MP, Shaffer A. Increasing rates of emergency department visits for elderly patients in the United States, 1993 to 2003. Ann Emerg Med 2007;51:769–74.
13.McDonald AJ, Pelletier AJ, Ellinor PT, et al. Increasing US emergency department visit rates and subsequent hospital admissions for atrial fibrillation from 1993 to 2004. Ann Emerg Med 2008;51:58–65.
14.McCusker J, Verdon J. Do geriatric interventions reduce emergency department visits? A systematic review. J Gerontol A Biol Sci Med Sci 2006;61:53–62.
15.Salvi F, Morichi V, Grilli A, et al. The elderly in the emergency department: a critical review of problems and solutions. Intern Emerg Med 2007;2:292–301.
16.Woods RA, Lee R, Ospina MB, et al. Consultation outcomes in the emergency department: exploring rates and complexity. CJEM 2008;10:25–31.
17.Khare RK, Powell ES, Reinhardt G, et al. Adding more beds to the emergency department or reducing admitted patient boarding times: which has a more significant influence on emergency department congestion? Ann Emerg Med 2008
18.Olshaker JS, Rathlev NK. Emergency department overcrowding and ambulance diversion: the impact and potential solutions of extended boarding of admitted patients in the emergency department. J Emerg Med 2006;30:351–6.
19.Canadian Association of Emergency Physicians. Joint Position Statement on emergency department overcrowding. CJEM 2001;3:82–8.
20.International classification of diseases. 10th ed., Geneva (CH): World Health Organization; 1992.
21.Abu-Laban RB. The junkyard dogs find their teeth: addressing the crisis of admitted patients in Canadian emergency departments. CJEM 2006;8:388–91.
22.Moloney ED, Bennett K, O’Riordan D, et al.Emergency department census of patients awaiting admission following reorganisation of an admissions process. Emerg Med J 2006;23:363–7.
24.Schull MJ, Szalai JP, Schwartz B, et al. Emergency department overcrowding following systematic hospital restructuring: trends at twenty hospitals over ten years. Acad Emerg Med 2001;8:1037–43.
25.Kroneman M, Siegers JJ. The effect of hospital bed reduction on the use of beds: a comparative study of 10 European countries. Soc Sci Med 2004;59:1731–40.
26.Forster AJ, Stiell I, Wells G, et al. The effect of hospital occupancy on emergency department length of stay and patient disposition. Acad Emerg Med 2003;10:127–33.
27.Hoot NR, Aronsky D. Systematic review of emergency department crowding: causes, effects, and solutions. Ann Emerg Med 2008;52:126–36.
28.Hwang JI. The relationship between hospital capacity characteristics and emergency department volumes in Korea. Health Policy 2006;79:274–83.