Bhadouriya, S. K. S., Srivastava, M., Saxena, R. and Srivastava, A. (2017) “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, 4(1), pp. 141–147. doi: 10.18203/issn.2454-5929.ijohns20175615.