Doron Steinberg, Eskander, Lana , Zini, Avraham , Sgan-Cohen, Harold , and Bajali, Musa . 2014. “Salivary Levels Of Mutans Streptococci And Lactobacilli Among Palestinian School Children In East Jerusalem”. Clinical Oral Investigations, 18, Pp. 979 – 983. doi:10.1007/s00784-013-1028-x.