Postoperative radiological assessment of the mastoid facial canal in cochlear implant patients in correlation with facial nerve stimulation. - Burck I; Helal RA; Naguib NNN; Nour-Eldin NA; Scholtz JE; Martin S; Leinung M; Helbig S; Stöver T; Lehn A; Vogl TJ (European radiology, 2022)