Chauhan, P., N. Bhat, P. Bhandarkar, and A. Singh. “Correlation of Sinonasal Anatomical Variations With Relevant Sinus Involvement in Chronic Rhinosinusitis: A Prospective Observational Study”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 7, no. 2, Jan. 2021, pp. 296-02, doi:10.18203/issn.2454-5929.ijohns20210160.