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High-dose versus standard-dose vitamin D supplementation in older adults with COVID-19 (COVIT-TRIAL): A multicenter, open-label, randomized controlled superiority trial.
Annweiler C, Beaudenon M, Gautier J, Gonsard J, Boucher S, Chapelet G, Darsonval A, Fougère B, Guérin O, Houvet M, Ménager P, Roubaud-Baudron C, Tchalla A, Souberbielle JC, Riou J, Parot-Schinkel E, Célarier T; COVIT-TRIAL study group. Annweiler C, et al. Among authors: houvet m. PLoS Med. 2022 May 31;19(5):e1003999. doi: 10.1371/journal.pmed.1003999. eCollection 2022 May. PLoS Med. 2022. PMID: 35639792 Free PMC article. Clinical Trial.