Christensen, K., Thinggaard, M., Oksuzyan, A., Steenstrup, T., Andersen-Ranberg, K., Jeune, B., . . . Vaupel, J. W. (2013). Physical and cognitive functioning of people older than 90 years: A comparison of two Danish cohorts born 10 years apart.

Christensen, Kaare, Mikael Thinggaard, Anna Oksuzyan, Troels Steenstrup, Karen Andersen-Ranberg, Bernard Jeune, Matt McGue, und James W. Vaupel. Physical and Cognitive Functioning of People Older Than 90 Years: A Comparison of Two Danish Cohorts Born 10 Years Apart. 2013.

Christensen, Kaare, et al. Physical and Cognitive Functioning of People Older Than 90 Years: A Comparison of Two Danish Cohorts Born 10 Years Apart. 2013.