A Comparative Study on Anxiety of Medical and Non-medical Staff due to Exposure and Non-exposure ‎to the Novel Coronavirus Disease oleh Mohammad Rahmanian, Ali Reza Kamali, Hadi Mosalanezhad, Mahdi Foroughian, Navid Kalani, Naser Hatami, Mohammad Heidarnezhad, Esmaeal Rayatdoost, Samaneh Abiri