M. Shehab N, Nafi. Canal wall down mastoidectomy and causes of failure review of 25 patients. Ann. coll. Med. Mosul [Internet]. 2025 Jun. 24 [cited 2025 Aug. 4];31(1):6-9. Available from: https://rjps.uomosul.edu.iq/index.php/mmed/article/view/15298