Velásquez G, Vilma Florisa, and Yenny Barreto. 2016. “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 (3). San Juan de Pasto, CO:514-24. https://doi.org/10.22267/rus.161803.56.