@book{44053,
	author = {Stein, Dan J.},
	title = {Tratado de los trastornos de ansiedad},
	publisher = {Lexus,},
	year = {2010},
	address = {España :},
	note = {Título original : The American Psychiatric Publishing Texbook},
	url = {http://biblioteca.unac.edu.co/portadas/50480.jpg}
}