Media type: E-Article Title: Depressive symptoms among older people: a 15-year follow-up Contributor: Arve, Seija; Eloranta, Sini; Rovio, Suvi; Isoaho, Hannu; Viitanen, Matti; Lehtonen, Aapo Published: Springer Science and Business Media LLC, 2012 Published in: Aging Clinical and Experimental Research, 24 (2012) 5, Seite 501-508 Language: English DOI: 10.1007/bf03654819 ISSN: 1594-0667; 1720-8319 Origination: Footnote: