Hoobi, Nibal Mohammed, Baydaa Hussein, Alhan Ahmed Qasim, and Manhal Abdulrahman. 2014. “Dissolution of Calcium Ion from Teeth Treated With Different Concentrations of Siwak Water Extract in Comparison With Sodium Fluoride”. Journal of Baghdad College of Dentistry 26 (1): 166-70. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/316.