Kumari, A., Goyal, S., Malik, V., Singh, T.B., Paramasivan, V.K. and Kameswaran, M. 2017. A rare case of dysphonia in mitochondrial myopathy. International Journal of Otorhinolaryngology and Head and Neck Surgery. 3, 3 (Jun. 2017), 745–748. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20173061.