Vatankhah, M.; Maleki, F.; Habibzadeh, S. R. .; Malekshoar, M. Anxiety of Medical Staff and Psychological Factors Affecting It During the Covid-19 Pandemic in Iran; A Systematic Review Study: Anxiety of Medical Staff and Psychological Factors Affecting It During the Covid 19 Pandemic in Iran. Iran Jour Emerg Med 2021, 8, e29.