TATOU NGUEFACK , L., F. PAUNE, and J. MBIHI. “Experimental Study of ECG Signal Transmission System via a Coaxial Cable Line Using Duty-Cycle Modulation ”. Algerian Journal of Engineering and Technology, Vol. 4, Feb. 2021, pp. 1-6, https://jetjournal.org/index.php/ajet/article/view/90.