Bhadouriya, S. K. S., M. Srivastava, R. Saxena, and A. Srivastava. “Comparative Clinical Evaluation of Effect of Topical Verses Systemic Anti -Allergic Drug in Allergic Rhinitis: A Prospective Study”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 4, no. 1, Dec. 2017, pp. 141-7, doi:10.18203/issn.2454-5929.ijohns20175615.