NIH Public Access Author Manuscript Bioessays. Author manuscript; available in PMC 2008 August 11. NIH-PA Author Manuscript

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Circadian rhythm Biology Physiology Chronobiology Suprachiasmatic nucleus Melanopsin PER1 Intrinsically photosensitive retinal ganglion cells E-box PER2 Aralkylamine N-acetyltransferase Circadian clock		NIH Public Access Author Manuscript Bioessays. Author manuscript; available in PMC 2008 August 11. NIH-PA Author Manuscript Add to Reading List Source URL: www.ncbi.nlm.nih.gov Download Document from Source Website File Size: 636,12 KB Share Document on Facebook