Loucera C, Carmona R, Esteban-Medina M, et al. Real-world evidence with a retrospective cohort of 15,968 COVID-19 hospitalized patients suggests 21 new effective treatments. Virol J. 2023;20(1):226. doi:10.1186/s12985-023-02195-9.

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.