Biram Singh, Takhellambam. A comparative study of cortical mastoid bone and nasal septal cartilage in canal wall down tympanoplasty type III / by Takhellambam Biram Singh. - M.S. Thesis / - Imphal : Manipur University , 2009 - 89p, 5 ; Subjects--Topical Terms: Surgery- Cortical Mastoid bone Dewey Class. No.: L / P9;1