@article{article4076,
  title = {Fragmented QRS is a marker of mortality in patients with severe COVID-19: A retrospective observational study},
  author = {Özdemir, İ.H. and Özlek, B. and Özen, M.B. and Gündüz, R. and Çetin, N. and Özlek, E. and Yıldız, B.S. and Tıkız, H.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2021},
  volume = {25},
  pages = {811-820},
  doi = {10.5152/AnatolJCardiol.2021.62}
}