@book{6036,
	author = {Drummond, Michael. and McGuire, Alistair.},
	title = {Economic evaluation in health care :},
	publisher = {Oxford University Press,},
	year = {2001.},
	address = {Oxford ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0612/2001033912-t.html}
}