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.
Casagrande A, Czepielewski MA.Casagrande A, et al. Among authors: czepielewski ma.Arq Bras Endocrinol Metabol. 2007 Jun;51(4):511-9. doi: 10.1590/s0004-27302007000400003.Arq Bras Endocrinol Metabol. 2007.PMID: 17684610Review.Portuguese.