[1]
R. Worawongvasu, N. Littilertanakorn, P. Suksirimuch, P. Lowpradit, W. Sattanan, and S. Khamdi, “Scanning electron microscopic characterization of dental calculus in human teeth”, M Dent J, vol. 38, no. 1, pp. 71–77, Mar. 2018.