H. . N. Yassin, “Comparison of Immunoglobulin IgA Level in the Stimulated Saliva of Caries-Free and Caries-Active Children Aged 7-10 Years ”, J Bagh Coll Dent, vol. 28, no. 3, pp. 155–158, Sep. 2016, doi: 10.12816/0031124.