Nouri-Vaskeh M, Khalili N, Sharifi A, Behnam P, Soroureddin Z, Ahmadi Ade E, Khalili N, Fadavi N, Baradaran B. Clinical Characteristics of Fatal Cases of COVID-19 in Tabriz, Iran: An Analysis of 111 Patients. Front Emerg Med. 2020;5(1):e12.