Vural Dogru, B. and Sayin Kasar, K. (2022) “The Impact of the COVID-19 Pandemic on Sleep Quality in the Turkish Population: A Cross-sectional Study”, Puerto Rico Health Sciences Journal, 41(2), pp. 82–88. Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2682 (Accessed: 31 October 2025).