1. National hospital ambulatory medical care survey: 2006 emergency department summary;Pitts;Natl Health Stat Report,2008
2. Geriatric patient emergency visits. Part I: comparison of visits by geriatric and younger patients;Singal;Ann Emerg Med,1992
3. Pain in the emergency department: results of the Pain and Emergency Medicine Initiative (PEMI) multicenter study;Todd;J Pain,2007
4. End-of-life and palliative care in the emergency department: a call for research, education, policy and improved practice in this frontier area;Chan;J Emerg Nurs,2006
5. Predicting hospital admission and returns to the emergency department for elderly patients;LaMantia;Acad Emerg Med,2010