Das, Arindam, Sandipta Mitra, Sayan Hazra, and Arunabha Sengupta. 2020. “Combined Conchal Cartilage Islet-Periosteum and Posterior Based Pedicled Flap Obliteration: A Comparison With Unobliterated Mastoid Cavities”. International Journal of Otorhinolaryngology and Head and Neck Surgery 6 (11):1991-95. https://doi.org/10.18203/issn.2454-5929.ijohns20204619.