@book{28094,
	author = {Norman, Geoffrey R. and Streiner, David L.},
	title = {Bioestadística.},
	publisher = {Mosby/Doyma Libros,},
	year = {1996.},
	address = {Madrid :},
	edition = {1a ed.},
	note = {Con gráficos, tablas y diagramas.}
}