TI - Does coexistence of fragmented QRS and cardiovascular disease have the ability to predict the mortality in hospitalized, critically ill patients with COVID-19? AU - Katkat, F. AU - Kalyoncuoğlu, M. AU - Karahan, S. AU - Abanus, H. AU - Turhan Çağlar, F.N. AU - Karabulut, D. AU - Varol, S. AU - Şahin, İ. AU - Erkalp, K. AU - Okuyan, E. SO - The Anatolian Journal of Cardiology 2021;25:803-810. DO - 10.5152/AnatolJCardiol.2021.13611