@book{18706,
	author = {O'Donnell, Owen and World Bank.},
	title = {Analyzing health equity using household survey data :},
	publisher = {World Bank,},
	year = {c2008.},
	address = {Washington, D.C. :},
	url = {http://www.loc.gov/catdir/toc/ecip0712/2007007972.html}
}