@book{286611,
	author = {Lewis, W. Frank, and National Center for Health Statistics (U.S.),},
	title = {Average length of stay in short-stay hospitals  :},
	publisher = {U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics,},
	year = {1981.},
	series = {Vital and health statistics. Series 13, Data from the National Health Survey ;},
	address = {Hyattsville, Md. :},
	note = {"January 1981."},
	url = {https://purl.fdlp.gov/GPO/gpo122118}
}