Case report: Cochlear implantation for deafness caused by endolymphatic sac tumors in patients with von Hippel–Lindau syndrome - Rosiak, Oskar; Pietrzak, Nikodem; Jankowska, Katarzyna; Kucharski, Andrzej; Konopka, Wiesław; Szymański, Marcin (Frontiers in Oncology, 2024)