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.
Natelson BH, Lange G.Natelson BH, et al. Among authors: lange g.Environ Health Perspect. 2002 Aug;110 Suppl 4(Suppl 4):673-7. doi: 10.1289/ehp.02110s4673.Environ Health Perspect. 2002.PMID: 12194905Free PMC article.Review.
Zhang QW, Natelson BH, Ottenweller JE, Servatius RJ, Nelson JJ, De Luca J, Tiersky L, Lange G.Zhang QW, et al. Among authors: lange g.Chronobiol Int. 2000 Jan;17(1):95-9. doi: 10.1081/cbi-100101035.Chronobiol Int. 2000.PMID: 10672437