Panpradit, N. ., and P. . Lapthanasupkul. “Plasma Cell Gingivitis Associated With Dry Flower Buds of Clove: A Case Report”. Mahidol Dental Journal, vol. 37, no. 2, Oct. 2020, pp. 155-62, https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/246837.