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Hajek, A., Brettschneider, C., Luehmann, D., Eisele, M., Mamone, S., Wiese, B., Weyerer, S., Werle, J., Pentzek, M., Fuchs, A., Stein, J., Luck, T., Bickel, H., Weeg, D., Heser, K., Jessen, F., Maier, W., Scherer, M., Riedel-Heller, S. G. and Koenig, H. -H. (2017). Does visual impairment affect social ties in late life? Findings of a multicenter prospective cohort study in Germany. J. Nutr. Health Aging, 21 (6). S. 692 - 699. PARIS: SPRINGER FRANCE. ISSN 1760-4788
Hajek, Andr, Brettschneider, C., Posselt, T., Lange, C., Mamone, S., Wiese, B., Weyerer, S., Werle, J., Fuchs, A., Pentzek, M., Stein, J., Luck, T., Bickel, H., Mosch, E., Heser, K., Jessen, F., Maier, W., Scherer, M., Riedel-Heller, S. G. and Konig, H. -H. (2016). Predictors of frailty in old age-results of a longitudinal study. J. Nutr. Health Aging, 20 (9). S. 952 - 958. PARIS: SPRINGER FRANCE. ISSN 1760-4788