Valve implants: comparative analysis of the first year's experience with results in other sac operations.
D004322:Drainage; D007758:Ear, Inner / Q000601:surgery*; D004712:Endolymphatic Sac / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008575:Meniere Disease / Q000601:surgery*; D019736:Prostheses and Implants; D012444:Saccule and Utricle / Q000601:surgery