N. J. Radhi, “Gingival health in relation to salivary vitamin C and total protein among dental students ”, J Bagh Coll Dent, vol. 26, no. 3, pp. 156–159, Sep. 2014, Accessed: May 06, 2024. [Online]. Available: https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/534