R. THAMIZHVANI, T; ELSA JOSEPH, Josline; BABU, Bincy; RITHIKKA, U; ROHINI, D; JOSEPHIN AROCKIA DHIVYA, A. Comparison of Normal and Abnormal Conditions in ECG Using RR Variablity and Spectral Density. International Journal of Engineering & Technology, [S. l.], v. 7, n. 2.25, p. 28–31, 2018. DOI: 10.14419/ijet.v7i2.25.12362. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/12362.. Acesso em: 5 may. 2024.