Ekmekyapar, M., T. Ekmekyapar, and S. Gurbuz. “Importance of Vertigo Classification in the Emergency Department and Its Effects on Economic Burden”. Annals of Medical Research, vol. 30, no. 2, Feb. 2023, pp. 220-5, http://www.annalsmedres.org/index.php/aomr/article/view/4197.