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.
Orange FA, Passini R Jr, Melo AS, Katz L, Coutinho IC, Amorim MM.Orange FA, et al.Rev Assoc Med Bras (1992). 2012 Jan-Feb;58(1):112-7.Rev Assoc Med Bras (1992). 2012.PMID: 22392325Free article.Clinical Trial.
Coêlho Mde A, Katz L, Coutinho I, Hofmann A, Miranda L, Amorim M.Coêlho Mde A, et al.Rev Assoc Med Bras (1992). 2012 Mar-Apr;58(2):160-7.Rev Assoc Med Bras (1992). 2012.PMID: 22569610Free article.English, Portuguese.
Melo B, Amorim M, Katz L, Coutinho I, Figueiroa JN.Melo B, et al.Rev Assoc Med Bras (1992). 2014 Mar-Apr;60(2):105-10. doi: 10.1590/1806-9282.60.02.006.Rev Assoc Med Bras (1992). 2014.PMID: 24918996Free article.