Suau, Gloria M., Ramses Normandía, Rafael Rodríguez, Josefina Romaguera, and Lillian Segarra. 2005. “Depressive Symptoms and Risk Factors Among Perimenopausal Women”. Puerto Rico Health Sciences Journal 24 (3). https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/355.