@book{28345,
	author = {Institute of Medicine (U.S.). and Lohr, Kathleen N., and ebrary, Inc.},
	title = {Sources and methods},
	publisher = {National Academy Press,},
	year = {1990.},
	series = {Medicare ;},
	address = {Washington, D.C. :},
	note = {"This study was supported by the Health Care Financing Administration, U.S. Department of Health and Human Services, under cooperative agreement no. 17-C-99170/3"--T.p. verso.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10068396}
}