@book{8495,
	author = {Londoño Fernández, Juan Luis.},
	title = {Metodología de la Investigación epidemiologica /},
	publisher = {Manual Moderno,},
	year = {2014.},
	address = {Bogotá :},
	edition = {5a ed.},
	note = {Incluye indices y anexos.}
}