title: Erratum to: Optimization of Noise in Non-integrated Instrumentation Amplifier for the Amplification of Very Low Electrophysiological Signals. Case of Electro Cardio Graphic Signals (ECG).
authors.affiliation: Automation and Control Laboratory (ACL), Department of Coordination and Valorization of Research (CVR), National Advanced School of Engineering, BP: 8390, Yaoundé, Cameroon, ngounou_guy@yahoo.fr.
authors.forename: Guy Merlin
authors.initials: GM
authors.lastname: Ngounou
authors.forename: Martin
authors.initials: M
authors.lastname: Kom