Vera Rodríguez, Hernán A., Ilia C. Rosario Nieves, Laura Pietri Gómez, and Elsie Ruiz Santana. 2014. “Levels of Anxiety and Depression in a Sample of Retirees South and West of Puerto Rico and the Current Economic Crisis”. Informes Psicológicos 14 (1): 13-30. https://revistas.upb.edu.co/index.php/informespsicologicos/article/view/1188.