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Prevention of COVID-19 with oral vitamin D supplemental therapy in essential healthcare teams (PROTECT): protocol for a multicentre, triple-blind, randomised, placebo-controlled trial.
Ducharme FM, Tremblay C, Golchi S, Hosseini B, Longo C, White JH, Coviello D, Quach C, Ste-Marie LG, Platt RW. Ducharme FM, et al. Among authors: hosseini b. BMJ Open. 2023 May 25;13(5):e064058. doi: 10.1136/bmjopen-2022-064058. BMJ Open. 2023. PMID: 37230524 Free PMC article.