Munekata Y, Matsumoto C, Sakoda K, Takahashi Y. Sonographic nystagmus: a case report of lateral semicircular canal benign paroxysmal positional vertigo. Ultrasound J. 2025;17(1):51. Accessed January 30, 2026. https://www.mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18168