TY  - JOUR
TI  - Fragmented QRS is a marker of mortality in patients with severe COVID-19: A retrospective observational study
AU  - 
JO  - The Anatolian Journal of Cardiology
PY  - 2021
VL  - 25
SP  - 
DO  - 10.5152/AnatolJCardiol.2021.62
ER  -