M. Abdul-Jabbar, J., and O. Najeeb Saadi. “Genetic-Based IIR Filter Design for Efficient QRS Complex Detection Using Neuro-Based Classifier”. Al-Rafidain Engineering Journal (AREJ), vol. 23, no. 4, Sept. 2015, pp. 172-8, doi:10.33899/rengj.2015.105954.