Dutta, Utpal Kumar, Md Monjurul Alam, Nasima Akhter, Kanu Lal Saha, Md Abul Hossain, Asim Kumar Biswas, and ABM Luthful Kabir. 2020. “Study of Hearing Status After Canal Wall Down Mastoidectomy With Type-III Tympanoplasty”. Bangladesh Journal of Otorhinolaryngology 23 (1):52-58. https://doi.org/10.3329/bjo.v23i1.45113.