V. Rai, V. Mehrotra, K. Garg, R. Srivastava, S. Kushwah, and S. Kumar Singh, “Oral Signs of Viral Infections- A Review”, HOM, vol. 8, no. 1, Feb. 2022, Accessed: Nov. 21, 2024. [Online]. Available: https://historymedjournal.com/HOM/index.php/medicine/article/view/353