Cite
Therapeutic and prognostic role of vitamin D for COVID-19 infection: A systematic review and meta-analysis of 43 observational studies.
MLA
Petrelli, Fausto, et al. “Therapeutic and Prognostic Role of Vitamin D for COVID-19 Infection: A Systematic Review and Meta-Analysis of 43 Observational Studies.” Journal of Steroid Biochemistry & Molecular Biology, vol. 211, July 2021, p. N.PAG. EBSCOhost, https://doi.org/10.1016/j.jsbmb.2021.105883.
APA
Petrelli, F., Luciani, A., Perego, G., Dognini, G., Colombelli, P. L., & Ghidini, A. (2021). Therapeutic and prognostic role of vitamin D for COVID-19 infection: A systematic review and meta-analysis of 43 observational studies. Journal of Steroid Biochemistry & Molecular Biology, 211, N.PAG. https://doi.org/10.1016/j.jsbmb.2021.105883
Chicago
Petrelli, Fausto, Andrea Luciani, Gianluca Perego, Giuseppina Dognini, Paolo Luigi Colombelli, and Antonio Ghidini. 2021. “Therapeutic and Prognostic Role of Vitamin D for COVID-19 Infection: A Systematic Review and Meta-Analysis of 43 Observational Studies.” Journal of Steroid Biochemistry & Molecular Biology 211 (July): N.PAG. doi:10.1016/j.jsbmb.2021.105883.