Neutrophil-to-Lymphocyte Ratio Cut-Off Point for COVID-19 Mortality: A Retrospective Study - Kheyri, Zahedin; Metanat, Sepehr; Hosamirudsari, Hadiseh; Akbarpour, Samaneh; Shojaei, Maryam; Faraji, Neda; Mansouri, Fariba; Taghizadeh, Fatemeh; Ahmadian, Fatemeh (Acta Medica Iranica, 2022)