Munjal, M., Gupta, R., Rishi, P., Goyal, A., Munjal, S., Garg, S. and Singh, A.P. 2020. The noninvasive assessment of maxillary sinus. International Journal of Otorhinolaryngology and Head and Neck Surgery. 6, 10 (Sep. 2020), 1947–1950. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20204210.