Shrestha BL, Bhusal C, Bhattarai H. Comparison of Pre and Post-operative Hearing Results in Canal Wall Down Mastoidectomy with Type III Tympanoplasty. J Nepal Med Assoc [Internet]. 2008 Oct. 1 [cited 2024 May 19];47(172). Available from: https://www.jnma.com.np/jnma/index.php/jnma/article/view/163