@book{3115,
	author = {Armstrong, Michael L.},
	title = {Los electrocardiogramas.},
	publisher = {El Ateneo;},
	year = {1988.},
	address = {Buenos Aires:},
	edition = {5ta ed.},
	note = {Armstrong, M. L. (1988). Los electrocardiogramas. Método sistemático para su lectura. (5a ed.). Madrid : Mosby.
}
}