Hajek, A., & Weyerer, S. (2017). Does visual impairment affect social ties in late life?: Findings of a multicenter prospective cohort study in Germany. The journal of nutrition, health & aging, 21(6), . https://doi.org/10.1007/s12603-016-0768-0
Chicago-Zitierstil (17. Ausg.)Hajek, André, und Siegfried Weyerer. "Does Visual Impairment Affect Social Ties in Late Life?: Findings of a Multicenter Prospective Cohort Study in Germany." The Journal of Nutrition, Health & Aging 21, no. 6 (2017). https://doi.org/10.1007/s12603-016-0768-0.
MLA-Zitierstil (9. Ausg.)Hajek, André, und Siegfried Weyerer. "Does Visual Impairment Affect Social Ties in Late Life?: Findings of a Multicenter Prospective Cohort Study in Germany." The Journal of Nutrition, Health & Aging, vol. 21, no. 6, 2017, https://doi.org/10.1007/s12603-016-0768-0.