Ahmmed, S. U., Asaduzzaman, A., Ahsan, M. A., Hossain, M. Z., Azad, M. A. and Alam, M. I. (2020) “Hoarseness of Voice : An Etiological Study”, Bangladesh Journal of Otorhinolaryngology, 23(1), pp. 47–51. doi: 10.3329/bjo.v23i1.45112.