“Post-Covid-19 Electrocardiographic and Echocardiographic Alteration Rates in Unvaccinated Patients After 3 to 6 Months of Hospital Discharge”. Research, Society and Development 14, no. 5 (May 3, 2025): e1014548708. Accessed June 28, 2025. https://ojs34.rsdjournal.org/index.php/rsd/article/view/48708.