@misc{miscba56259c,
title   = {Effect of a 15% xylitol-chewing gum on salivary MS levels, on S. mutans genotypes and on the delection of xylitol tolerant (Xr) isolates},
author = {Fraga, Cláudia Perez Trindade and Mayer, Marcia Pinto Alves},
year = {2007},
booktitle   = {Reunião Anual da SBPqO}
}