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MLA Citation
Andreas Ihle et al.. “The association of educational attainment, cognitive level of job, and leisure activities during the course of adulthood with cognitive performance in old age: the role of openness to experience.” International psychogeriatrics, vol. 28, n.d., pp. 733–740. http://access.bl.uk/ark:/81055/vdc_100032060507.0x000002