Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePhoto-Neuro-Endocrine Effects in Circadian Systems.AuthorsBLIGH, JOHNPublicationNature, 1965, Vol 205, Issue 4977, p1168ISSN0028-0836Publication typeArticleDOI10.1038/2051168a0