@book{253623,
	author = {United States.},
	title = {Gripe H1N1 de 2009 :},
	publisher = {Department of Veterans Affairs, Office of Public Health and Environmental Hazards,},
	year = {[2009]},
	series = {[IB ;},
	address = {Washington, D.C. :},
	note = {Title from title screen (viewed on July 18, 2016).},
	url = {http://purl.fdlp.gov/GPO/gpo70144}
}