Ali Zolfi Gol1, Mohammad Radvar, Amir Nasimfar, Mahdieh Namdar, “A Study on the Prevalence of Cardiac Complications in Children Hospitalized with COVID-19 at Motahari Hospital, Urmia, Between 2019 and 2021”, PEGEGOG, vol. 15, no. 2, pp. 309–321, Feb. 2025.