@book{9218,
	author = {Katz, David L. and Katz, David L.},
	title = {Jekels Epidemiology, Biostatistics, Preventive Medicine, and Public Health /},
	publisher = {Elsevier Saunders,},
	year = {2014.},
	address = {Philadelphia :},
	edition = {4a. Ed.},
	note = {Incluye glosario \ Incluye indice.}
}