Vitamin D deficiency correlates with a reduced number of natural killer cells in intensive care unit (ICU) and non-ICU patients with COVID-19 pneumonia
[저자] Alice G Vassiliou, Edison Jahaj, Maria Pratikaki, Chrysi Keskinidou, Maria Detsika, Eirini Grigoriou, Katherina Psarra, Stylianos E Orfanos, Alexandra Tsirogianni, Ioanna Dimopoulou, Anastasia Kotanidou