Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID-19 in a retrospective cohort of hospitalized Andalusian patients. Submitted by rgarcia on Wed, 12/15/2021 - 09:47 Loucera C, Peña-Chilet M, Esteban-Medina M, et al. Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID-19 in a retrospective cohort of hospitalized Andalusian patients. Sci Rep. 2021;11(1):23380. doi:10.1038/s41598-021-02701-5.