Deswal, H., Y. Singh, H. S. Grover, and A. Bhardwaj. “Healing Effect of Propolis in Medicine and Dentistry: A Review”. Innovare Journal of Ayurvedic Sciences, vol. 4, no. 2, Apr. 2016, pp. 1-4, https://mail.innovareacademics.in/journals/index.php/ijas/article/view/10274.