LED LIGHT CLINICAL RESEARCH
https://pubmed.ncbi.nlm.nih.gov/30118905/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5843358/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6133043/
https://pubmed.ncbi.nlm.nih.gov/19397672/
https://pubmed.ncbi.nlm.nih.gov/19397672/
https://onlinelibrary.wiley.com/doi/abs/10.1002/lsm.20677
https://www.liebertpub.com/doi/abs/10.1089/104454701753342758
https://www.jstage.jst.go.jp/article/jnms/73/2/73_2_75/_article
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-4632.2009.04246.x
https://www.sciencedirect.com/science/article/pii/B9780815515722500178?via%3Dihub
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1524-4725.2005.31926
https://pubmed.ncbi.nlm.nih.gov/26155326/
https://link.springer.com/article/10.1007/s10103-003-0262-x