Leyva-Cruz, J., 		Ferreira, E., 		Fagundes, R., 		Andrade-Neto, A., 		Miltäo, M., 		Alves, A., AND 		Cano, M..
"Bioamplifier with AC vs DC Coupling to Measurement ECG" <em>Revista Cubana de Física</em> [Online], Volume 31 Number 1E (15 December 2014)