The Prevalence and Risk Factors for Anxiety in Frontline Nurses under COVID-19 Pandemic Based on a Large Cross-Sectional Study Using the Propensity Score-Matched Method . Arch Clin Psychiatry (former: Rev Psiq Clin) 2021, 48 (5), 221-228. https://doi.org/10.15761/0101-60830000000311.