Bandari, R., Heravi-Karimooi, M., Rejeh, N., Zayeri, F., Mirmohammadkhani, M., & Montazeri, A. "Anxiety prevalence and its associated demographic factors in family members of patients hospitalized in the intensive care unit: a cross-sectional study in Tehran", Daneshvar Medicine, 20, 6, 2020, 1–10.