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. J Steroid Biochem Mol Biol.

Petrelli, Fausto, Andrea Luciani, Gianluca Perego, Giuseppina Dognini, Paolo Luigi Colombelli, και Antonio Ghidini. "Therapeutic and Prognostic Role of Vitamin D for COVID-19 Infection: A Systematic Review and Meta-analysis of 43 Observational Studies." J Steroid Biochem Mol Biol 2021.

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." J Steroid Biochem Mol Biol 2021.