@book{220088,
	author = {National Center Health Statistics (U.S.)},
	title = {National Ambulatory Medical Care Survey,...summary},
	address = {Hyattsville,Md.},
	note = {Latest issue consulted: 2006;title from caption (viewed Mar. 2,2009).},
	url = {http://purl.access.gpo.gov/GPO/LPS10336}
}