Tocilizumab Failed to Reduce Mortality in Severe COVID-19 Patients: Results from a Randomized Controlled Clinical Trial - Talaschian, Mona; Akhtari, Maryam; Mahmoudi, Mahdi; Mostafaei, Shayan; Jafary, Mohamadreza; Jalali, Seyyed Mostafa; Sadeghi, Kourosh; Gohari Moghadam, Keivan; Ansari Tadi, Hengameh; Jamshidi, Ahmadreza (Iranian Journal of Allergy, Asthma and Immunology, 2024)