Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID-19 in a retrospective cohort of hospitalized Andalusian patients

Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID-19 in a retrospective cohort of hospitalized Andalusian patients
Loucera et al., Scientific Reports, doi:10.1038/s41598-021-02701-5 (preprint 4/29/21)
https://c19early.org/loucera.html