@book{286421,
	author = {Zappolo, Aurora, and National Center for Health Statistics (U.S.),},
	title = {Characteristics, social contacts, and activities of nursing home residents  :},
	publisher = {U.S. Department of Health, Education and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,},
	year = {1977.},
	series = {Vital and Health statistics. Series 13, Data from the National Health Survey ;},
	address = {Rockville, Md. :},
	note = {"May 1977."},
	url = {https://purl.fdlp.gov/GPO/gpo122094}
}