Monday, January 4, 2016

Jack Kruse Health Impacts of Natural and Artificial Light

https://calyxperformance.com/2015/12/episode-1-dr-jack-kruse-health-impacts-of-natural-artificial-light/https://calyxperformance.com/2015/12/episode-1-dr-jack-kruse-health-impacts-of-natural-artificial-light/

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