Tanthry, D., Sunny, C. T., Mahesh, S. G. and Devan, P. P. (2019) “Rare complications of sinusitis: case series”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 5(2), pp. 497–501. doi: 10.18203/issn.2454-5929.ijohns20190008.