TUBERKULOZ VE TORAK-TUBERCULOSIS AND THORAX, cilt.68, sa.3, ss.227-235, 2020 (ESCI)
Introduction: SARS-CoV-2 (COVID-19), which emerged in Wuhan, China in December 2019, infected more than six million people in a short time. In COVID-19, the relationship of many laboratory parameters to morbidity and mortality has been defined. In our study, we aimed to determine the relationship of serum vitamin D level to clinical course and prognosis.