Light Tech-Research
1 Chung, H., Dai, T., Sharma, S., Huang, Y., James D. Carroll, J., Hamblin, M. The Nuts and Bolts of Low-level Laser (Light) Therapy February 1, 2013
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3288797/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3288797/