Velásquez G, Vilma Florisa, and Yenny Barreto. “Effect of a Program of Primary Health Attention on Family Functionality from Grandparents and Grandchildren in the Municipality of Guapi - Cauca”. Universidad y Salud 18, no. 3 (December 20, 2016): 514–524. Accessed April 15, 2026. https://revistas2.udenar.edu.co/index.php/usalud/article/view/3110.