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.
Ravasi G, Jack N, Alonso Gonzalez M, Sued O, Pérez-Rosales MD, Gomez B, Vila M, Riego Ad, Ghidinelli M.Ravasi G, et al. Among authors: perez rosales md.Rev Panam Salud Publica. 2011 Dec;30(6):657-62. doi: 10.1590/s1020-49892011001200026.Rev Panam Salud Publica. 2011.PMID: 22358418