Emergency department summary National Center for Health Statistics U.S text Hyattsville, Md U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Center for Health Statistics monographic Description based on :1992, published 1994; title from caption (viewed Mar. 11, 2009) Ambulatory medical care Utilization Medical care surveys Hospitals Emergency services Utilization Emergency medical services HE 20.6209/3-5: HE 20.6209/3-5: http://purl.access.gpo.gov/GPO/LPS2704 http://purl.access.gpo.gov/GPO/LPS2704 20160527183631.0 299597