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International Journal of Geriatric Psychiatry > 36 > 11 > 1795 - 1809
Quality of Life Research > 2017 > 26 > 7 > 1799-1808
Geriatrics & Gerontology International > 17 > 1 > 17 - 23
European Journal of Ageing > 2014 > 11 > 4 > 333-347
Sleep Medicine > 2010 > 11 > 9 > 934-940