Khaksar, Mohammad, Zanganeh Yousefabadi, Elham, Taleb Zadeh, Reza, Rashidi, Homeira, Maniati, Mahmood, AND Bakhtiari, Nima. " Prevalence of comorbidities and its impacts in Hospitalized patients with COVID-19" Journal of Contemporary Medical Sciences [Online], Volume 7 Number 5 (26 October 2021)