B., J., N. Pillai, and B. K. K. L. “Comparative Study on the Effects of Pre-Operative Intranasal Steroid Spray Versus Oral Steroid on Intraoperative Bleed in FESS for Nasal Polyposis”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 7, no. 5, Apr. 2021, pp. 782-8, doi:10.18203/issn.2454-5929.ijohns20211569.