Shaker, Nebal Th. 2013. “Antibacterial Effect of Cardamom and Black Tea Aqueous Extract on Mutans Streptococci in Comparison to Chlorhexidine (in Vitro Study)”. Journal of Baghdad College of Dentistry 25 (3): 158-64. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/276.