MAMTA PADHY; HARIOM KUMAR SOLANKI; RAVOORI SAIDESWAR RAO; AJAY KUMAR GARG; MANISHA SINGH; VIVEK GUPTA. A cross-sectional study to explore the correlation of serum Vitamin D3 with laboratory parameters among COVID-19 patients of a tertiary care centre of Uttar Pradesh, India. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 22, p. 181–187, 2021. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/3547. Acesso em: 6 feb. 2026.