T. C. Silva, T. M. O. Valarelli, V. T. Sakai, V. Tessarolli, and M. A. de A. M. Machado, “Oral antibacterial effect of chlorhexidine treatments and professional prophylaxis in children”, Braz. J. Oral Sci., vol. 12, no. 2, pp. 132–137, Oct. 2015.