reference-type: Report
author: Nourjah, Parivash
year: 1999
title: National Hospital Ambulatory Medical Care Survey: 1997 emergency department summary. Advance data from vital and health statistis; no. 304.
institution: National Center for Health Statistics
place-published: Hyattsville, Maryland
otx-key: Nourjah-1999

Full text: http://www.cdc.gov/nchs/data/ad/ad304.pdf