D. Sahni, B. Singh, K. S. Uppal, S. Bhagat, D. Sharma, and G. Dogra, “Study of effect of 1% sodium hyaluronate application on tympanic membrane perforation”, Int J Otorhinolaryngol Head Neck Surg, vol. 4, no. 5, pp. 1246–1251, Aug. 2018.