S. Sultana, M. Asafuzzoha, H. Hasan, M. S. A. Farzan, and K. Matin, “Induction of White Spot Enamel Lesion by S. mutans Biofilm in an Artificial Mouth System and Quantification by QLF”, City Dent Coll J, vol. 9, no. 1, pp. 4–6, Sep. 2012.