Covinsky, K. E., Yaffe, K., Lindquist, K., Cherkasova, E., Yelin, E., & Blazer, D. G. (2010). Depressive symptoms in middle age and the development of later life functional limitations: The long term impact of depressive symptoms.

Covinsky, Kenneth E., Kristine Yaffe, Karla Lindquist, Elena Cherkasova, Edward Yelin, ja Dan G. Blazer. Depressive Symptoms in Middle Age and the Development of Later Life Functional Limitations: The Long Term Impact of Depressive Symptoms. 2010.

Covinsky, Kenneth E., et al. Depressive Symptoms in Middle Age and the Development of Later Life Functional Limitations: The Long Term Impact of Depressive Symptoms. 2010.