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.
Allen DB.Allen DB.Endocrinol Metab Clin North Am. 2005 Sep;34(3):555-64, viii. doi: 10.1016/j.ecl.2005.04.013.Endocrinol Metab Clin North Am. 2005.PMID: 16085159Review.
Carrel AL, Allen DB.Carrel AL, et al. Among authors: allen db.Endocrine. 2000 Apr;12(2):163-72. doi: 10.1385/ENDO:12:2:163.Endocrine. 2000.PMID: 10905376Review.