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A prospective, randomized, controlled study assessing vagus nerve stimulation using the gammaCore®-Sapphire device for patients with moderate to severe CoViD-19 Respiratory Symptoms (SAVIOR): A structured summary of a study protocol for a randomised controlled trial".
Tornero C, Vallejo R, Cedeño D, Orduña J, Pastor E, Belaouchi M, Escamilla B, Laredo M, Del Mar Garzando M. Tornero C, et al. Among authors: belaouchi m. Trials. 2020 Jun 26;21(1):576. doi: 10.1186/s13063-020-04486-w. Trials. 2020. PMID: 32586395 Free PMC article.