@book{14210,
	author = {Álvarez Alva, Rafael Dr. and Vega Sánchez, Martín Lazo de la Dr.; },
	title = {Salud Pública y medicina preventiva /},
	publisher = {Manual Moderno,},
	year = {2002.},
	address = {México :},
	edition = {3a ed.}
}