Original Research
Hemoperfusion Therapy’s Efficiency in Reducing Serum IL-6 Levels and Disease Severity in COVID-19 Patients
Mohammad Bakhshivand 1, Farid Ghorbaninezhad 1,2 
, Somaye Mirzayi 2, Nima Hemmat 2, Khalil Ansarin 3, Mohammad Reza Ardalan 4, Ali Taghizadieh 3, Maseoud Nazemiyeh 3, Mahdi Jafarlou 2, Farid Rashidi 3, Armin Sadeghi 3, Arsalan Yazdchi 3, Saeid Safiri 3, Haleh Mikaeili 3 *