@book{219908,
	author = {Centers for Medicare & Medicaid Services U.S.},
	title = {Quarterly provider updates},
	address = {Baltimore,MD:},
	note = {Description based on: April 2002;title from title screen (viewed Feb. 20,2008).},
	url = {http://purl.access.gpo.gov/GPO/LPS41662}
}