[1]
J. Parra-Coronel, D. Astudillo-Neira, y J. Ortiz-Ulloa, «Early childhood caries and risk factors in young children of medium-low socioeconomic status, Ecuador», Revista Investig. Salud Univ. Boyacá, vol. 7, n.º 1, pp. 52–70, mar. 2020.