Luna-Villouta P, Pacheco-Carrillo J, Matus-Castillo C, Valdés-Ebner M, Fernández-Vera D, Castillo-Quezada H, Flores-Rivera C. Analysis of child development in school children aged 5 to 6 in rural and urban areas of the Bíobío Region, Chile. Retos [Internet]. 2022Apr.1 [cited 2024Jun.18];44:551-9. Available from: https://recyt.fecyt.es/index.php/retos/article/view/90680