@book{111247,
	author = {Assembly of the Pontifical Academy for Life  and Sgreccia, Elio,  and Pontificia Academia Pro Vita },
	title = {The human embryo before implantation : },
	publisher = {Libreria Editrice Vaticana,},
	year = {2007.},
	address = {Citta del Vaticano :},
	note = {Precede al tit.: Pontificia Academia Pro Vida}
}