@book{157199,
	author = {National Center for Health Statistics U.S.},
	title = {National Hospital Ambulatory Medical Care Survey},
	publisher = {U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics},
	year = {[1996]},
	series = {Vital and health statistics.},
	address = {Hyattsville, Md.},
	note = {"Based on data collected from a national sample of non-Federal, general or short-stay hospitals, statistics are presented on the provision and utilization of ambulatory medical care services in hospital emergency departments during 1992. Ambulatory medical care services are described in terms of patient characteristics, visit characteristics, and facility characteristics."}
}