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.
de Lima e Costa MF, Oliveira MR, Oliveira EI, Paulino UH, Greco DB, Chiari CA, Guimaraes MD, Proietti FA, Antunes CM, Muñoz A.de Lima e Costa MF, et al. Among authors: guimaraes md.Int J Epidemiol. 1990 Jun;19(2):429-34. doi: 10.1093/ije/19.2.429.Int J Epidemiol. 1990.PMID: 2376458
Guimarães MD, de Castilho EA.Guimarães MD, et al.Rev Soc Bras Med Trop. 1993 Apr-Jun;26(2):101-11. doi: 10.1590/s0037-86821993000200006.Rev Soc Bras Med Trop. 1993.PMID: 8128069Review.Portuguese.