Nawaz, M. K. K., G. Sivaraman, S. Krishnamoorthy, and S. Balaji. ‚ÄúTemporomandibular Joint Dysfunction Syndrome Associated With Betel Nut Chewing: A Clinical Study‚ÄĚ. Journal of Orofacial Research, vol. 5, no. 4, Jan. 1970, pp. 142-5, https://mansapublishers.com/index.php/jofr/article/view/2067.