Haji Aghajani, M., A. Toloui, M. Aghamohammadi, A. Pourhoseingholi, N. Taherpour, M. Sistanizad, A. Madani Neishaboori, Z. Asadpoordezaki, and R. Miri. “Electrocardiographic Findings and In-Hospital Mortality of COVID-19 Patients; A Retrospective Cohort Study”. Archives of Academic Emergency Medicine, vol. 9, no. 1, June 2021, p. e45, doi:10.22037/aaem.v9i1.1250.