@book{27072,
	author = {Morton, Richard F.},
	title = {Bioestadistica y epidemiología :},
	publisher = {McGraw-Hill,},
	year = {1993.},
	address = {Mexico :},
	edition = {3a. ed.},
	note = {Incluye indice \Titulo original. A study guide to epidemiology and biostatistics.}
}