1. Anderson, D. (2001) Treating depression in old age: The reasons to be positive Age and Ageing, 30, pp. 13 - 17.
2. Ayis, S. and Gooberman-Hill, R. and Ebrahim, S. (2003) Long-standing and limiting long-standing illness in older people: Association with chronic diseases, psychosocial and environmental factors Age and Ageing, 32, pp. 265 - 272.
3. Barefoot, J. and Mortensen, E. and Helms, M. and Avlund, K. and Schroll, M. (2001) A longitudinal study of gender differences in depressive symptoms from age 50 to 80 Psychology and Aging, 16, pp. 342 - 345.
4. Benyamini, Y. and Lomranz, J. (2004) The relationship of activity restriction and replacement with depressive symptoms among older adults Psychology and Aging, 19(2), pp. 362 - 366.
5. Bisschop, M. and Kriegsman, D. and Deeg, D. and Beekman, A. and Tilburg, W. (2004) The longitudinal relation between chronic diseases and depression in older persons in the community: The Longitudinal Aging Study Amsterdam Journal of Clinical Epidemiology, 57, pp. 187 - 194.