Shusterman, E Mark, et al. “Evaluation of a Novel External Neuromodulation Device (iCLEAR™) for the Acute Relief of Rhinitis and Rhinosinusitis Symptoms”. Archives of Clinical and Medical Case Reports, vol. 7, no. 1, Feb. 2023, pp. 104-13, https://fortunejournals.org/ojs/index.php/acmcr/article/view/22712.