@book{11948,
	author = {Hazzard, William R.,},
	title = {Principles of geriatric medicine and gerontology /},
	publisher = {McGraw Hill},
	year = {1998},
	address = {New York},
	edition = {Fourth edition},
	url = {http://www.loc.gov/catdir/description/mh023/98003613.html}
}