Parvez Kamal, Nudrat, and Vivek Harkare. “NASAL OBSTRUCTION AND EUSTACHIAN TUBE DYSFUNCTION: HOW ARE THEY RELATED?”. International Journal of Clinical and Biomedical Research 1, no. 3 (July 23, 2015): 46–50. Accessed September 8, 2025. https://www.ijcbr.com/index.php/ijcbr/article/view/74.