Ustun Ozek, Sibel. “The Effect of Having COVID-19 on Insomnia, Fatigue, and Quality of Life: A Comparative Study With Vaccinated and Unvaccinated COVID-19–negative Patients”. EXPERIMENTAL BIOMEDICAL RESEARCH 5, no. 2 (March 14, 2022): 154–164. Accessed November 22, 2024. https://www.experimentalbiomedicalresearch.com/index.php/ebr/article/view/263.