Medeiros, A. I. C. de; Mesquita, R. B. de; Macêdo, F. de S.; Matos, A. G. de C.; Pereira, E. D. Prevalence of Burnout Among Healthcare Workers in Six Public Referral Hospitals in Northeastern Brazil During the COVID-19 Pandemic: A Cross-Sectional Study. Sao Paulo Med J 2022, 140, 553-558.