Meenaxi P Mehta, S. Mohammed Siddique,. “Endoscopic Retrograde Mastoidectomy - A Review on Its Postoperative Functional Outcome on Hearing”. International Journal of Innovative Research in Medical Science, vol. 2, no. 05, May 2017, p. 776 to 778, doi:10.23958/ijirms/vol02-i05/16.