A. Ajwad, Asmaa, Muayad Kadhim Rashid , Ibrahim Tariq Ibrahim , Mustafa AbdulKareem Salman , and Ali Mousa Jaafar. “Influence of Ectopic Beats on the Average, Maximum, and Minimum Heart Rates”. Diyala Journal of Medicine 25, no. 2 (December 25, 2023): 52–60. Accessed September 27, 2025. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/1050.