https://pmc.ncbi.nlm.nih.gov/articles/PMC6763155/?ref=not-ship.com
Action Spectrum for Melatonin Regulation in Humans: Evidence for a Novel Circadian Photoreceptor -...
The photopigment in the human eye that transduces light for circadian and neuroendocrine regulation, is unknown. The aim of this study was to establish an...
action spectrum