1. Impact of delayed transfer of critically ill patients from the emergency department to the intensive care unit;Chalfin;Crit Care Med,2007
2. Hospital Emergency Departments: Crowded Conditions Vary Among Hospitals and Communities,2003
3. Increased health care costs associated with ED overcrowding;Krochmal;Am J Emerg Med,1994
4. National Hospital Ambulatory Medical Care Survey: 2005 emergency department summary;Nawar;Adv Data,2007
5. National Quality Forum. National Voluntary Consensus Standards for Emergency Care—Phase II: Hospital-based Emergency Care Measures. 2008.