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Sander, Birgit, Jakob Markvart, Line Kessel, Aikaterini Argyraki, and Kjeld Johnsen. "Can Sleep Quality and Wellbeing Be Improved By Changing the Indoor Lighting in the Homes of Healthy, Elderly Citizens?" Chronobiol Int 2015.

Sander, Birgit, et al. "Can Sleep Quality and Wellbeing Be Improved By Changing the Indoor Lighting in the Homes of Healthy, Elderly Citizens?" Chronobiol Int 2015.