TY - JOUR AU - Maghbooli, Z; Ali Saharaian, M; Ebrahimi, M TI - Vitamin D sufficiency, a serum 25-hydroxyvitamin D at least 30 ng/mL reduced risk for adverse clinical outcomes in patients with COVID-19 infection JO - PlosOne IS - 09 VL - 15 PY - 2020 DO - 10.1371/journal.pone.0239799 L3 - PubMed-ID: 32976513 SP - e0239799 ER -