Al-Tamimi, Hiba K., and Nadia A. Al-Rawi. “Effect of Ageing on Selected Salivary Chemical Compositions and Dental Caries Experience Among Group of Adults”. Journal of Baghdad College of Dentistry, vol. 31, no. 3, Sept. 2019, pp. 1-9, https://doi.org/10.26477/jbcd.v31i3.2692.