1. COVID-19 pandemic-associated changes in overall emergency department visits by age group, race, and ethnicity –United States, January 2019-April 2022;Smith;Am J Emerg Med,2023
2. A profile of US emergency departments in 2001;Sullivan;Ann Emerg Med,2006
3. Annual Survey Dataset Documentation Manual,2014
4. Evaluation of the American Hospital Association Annual Survey for health services research in emergency medicine;Boggs;J Am Coll Emerg Physicians Open,2022