@book{255677,
	author = {Ferrer Negrón, Jorge José, and Gafo Fernández, Javier},
	title = {SIDA y bioética :},
	publisher = {Universidad Pontificia Comillas,},
	year = {1997.},
	address = {Madrid :},
	url = {http://www.loc.gov/catdir/enhancements/fy0905/97228500-d.html}
}