Kheyri Z, Metanat S, Hosamirudsari H, Akbarpour S, Shojaei M, Faraji N, Mansouri F, Taghizadeh F, Ahmadian F. Neutrophil-to-Lymphocyte Ratio Cut-Off Point for COVID-19 Mortality: A Retrospective Study. Acta Med Iran. 2022;60(1):32-39.