Gupta, C., A. Kumari, and A.P. Garg, et al. “Comparative Study of Cinnamon Oil and Clove Oil in Some Oral Microbiota”. Acta Bio Medica Atenei Parmensis 82, no. 3 (February 1, 2012): 197-199. Accessed April 5, 2020. https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/1729.