Buber, Isabella, and Henriette Engelhardt. “The Association Between Age and Depressive Symptoms Among Older Men and Women in Europe. Findings from SHARE”. Comparative Population Studies 36, no. 1 (May 26, 2011). Accessed March 29, 2024. https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/8.