Cardona Jiménez, Jairo León, María Mercedes Villamil Gallego, Eucaris Henao Villa, and Ángela Quintero Echeverri. “Variables Associated to the Feeling of Loneliness in Adults Attending Senior Citizen Programs in Medellín”. Medicina UPB 34, no. 2 (December 15, 2015): 102–114. Accessed June 12, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/1252.