@book{57,
	author = {Engelhardt, H. Tristram.},
	title = {Los fundamentos de la bioética /  },
	publisher = {Paidos;},
	year = {1995.},
	address = {Barcelona: },
	edition = {1a ed. },
	note = {Engelhardt, H. T. (1995). Los fundamentos de la bioética. (1a ed.). Barcelona : Paidos. }
}