Mahendru, B., D. Kansal, P. K. Sharma, and S. S. Dogra. “Comparison of the Safety and Efficacy of Caroverine and Betahistine in Patients of Subjective Tinnitus”. International Journal of Basic & Clinical Pharmacology, vol. 3, no. 6, Jan. 2017, pp. 1000-5, https://www.ijbcp.com/index.php/ijbcp/article/view/1176.