An, N. P. H., T. T. Anh, T. V. Dang, and H. B. Duy. “Assessing the Effectiveness of Periodontitis Treatment Using Syzygium Aromaticum and Angelica Dahurica”. Asian Journal of Pharmacy, Nursing and Medical Sciences, vol. 4, no. 5, Oct. 2016, https://ajouronline.com/index.php/AJPNMS/article/view/4125.