An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Indic P, Forger DB, St Hilaire MA, Dean DA 2nd, Brown EN, Kronauer RE, Klerman EB, Jewett ME.Indic P, et al. Among authors: klerman eb.Chronobiol Int. 2005;22(4):613-29. doi: 10.1080/07420520500180371.Chronobiol Int. 2005.PMID: 16147894Free PMC article.
Dean DA 2nd, Fletcher A, Hursh SR, Klerman EB.Dean DA 2nd, et al. Among authors: klerman eb.J Biol Rhythms. 2007 Jun;22(3):246-58. doi: 10.1177/0748730407301376.J Biol Rhythms. 2007.PMID: 17517914Review.