AHMED, S. H.; ABBAS, S. K.; ZAIDI, T. 99.9% Accurate R Wave Extraction from ECG Signal using Wavelet Transform. British Journal of Healthcare and Medical Research, [S. l.], v. 4, n. 3, p. 01, 2017. DOI: 10.14738/bjhmr.43.2898. Disponível em: http://116.203.177.230/index.php/BJHR/article/view/2898. Acesso em: 20 dec. 2025.