C. Butrón-Téllez Girón, J. Mariel-Cárdenas, M. Pierdant-Pérez, J. Hernández-Sierra, J. Morales-Sánchez, and F. Ruiz, “Effectiveness of a combined silver nanoparticles/fluoride varnish in dental remineralization in children: in vivo study”, Superficies y Vacio, vol. 30, no. 2, pp. 21-24, Jun. 2017.