Sudheer, C. P., and T. D. Singh. “Squamous Cell Carcinoma of Maxillary Sinus: A Comparison of Clinico-Radiological Staging With Pre-Operative Staging”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 4, no. 5, Aug. 2018, pp. 1229-32, doi:10.18203/issn.2454-5929.ijohns20183692.