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.
Silva ABD, Medeiros JFP, Lima MSR, Mata AMBD, Andrade EDO, Bezerra DS, Osório MM, Dimenstein R, Ribeiro KDDS.Silva ABD, et al.Rev Paul Pediatr. 2019 May 9;37(3):291-296. doi: 10.1590/1984-0462/;2019;37;3;00003. Print 2019 May 7.Rev Paul Pediatr. 2019.PMID: 31090847Free PMC article.