L. J. Motta, T. A. Alfaya, A. F. Marangoni, R. A. M. Ferrari, K. P. S. Fernandes, and S. K. Bussadori, “Gender as risk factor for mouth breathing and other harmful oral habits in preschoolers”, Braz. J. Oral Sci., vol. 11, no. 3, pp. 377–380, Oct. 2015.