Sathishkumar, S. ., and R. D. . Priya. “Efficient Classification of ECG Signals Using Probabilistic Neural Network in the Detection of Cardiovascular Diseases”. International Journal of Intelligent Systems and Applications in Engineering, vol. 10, no. 3, Oct. 2022, pp. 247–255, https://ijisae.org/index.php/IJISAE/article/view/2162.