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kevindqc
on April 10, 2018
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Productivity
According to this random 20 year old study I found, taking Vitamin D supplements is better than light therapy:
https://www.ncbi.nlm.nih.gov/pubmed/10888476
netrap
on April 10, 2018
[–]
Dead link?
kevindqc
on April 10, 2018
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Search:
https://www.ncbi.nlm.nih.gov/pubmed/10888476