TY - GEN AU - Sultan,A TI - [Possibilities of rintervention after fenestration of the external semi-circular duct in otospongiosis: 50 cases. Radiotomographic and surgical study] SN - 0035-1334 PY - 1970///0709 KW - Fenestration, Labyrinth KW - Humans KW - Otosclerosis KW - surgery KW - Semicircular Canals KW - Tomography N1 - Publication Type: Journal Article ER -