@book{219116,
	author = {National Library of Medicine U.S.},
	title = {PubMed central},
	publisher = {NCBI U.S. National Library of Medicine, NIH, Dept. of Health and Human Services},
	address = {Bethesda, Md.},
	note = {Title from home page (viewed on Jan. 4,2005;last updated July 6,2004).},
	url = {http://purl.access.gpo.gov/GPO/LPS38146}
}