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.
Pilger D, Heukelbach J, Khakban A, Oliveira FA, Fengler G, Feldmeier H.Pilger D, et al.Bull World Health Organ. 2010 Feb;88(2):90-6. doi: 10.2471/BLT.08.051656. Epub 2009 Dec 21.Bull World Health Organ. 2010.PMID: 20428365Free PMC article.Clinical Trial.
Pilger D, Lenhart A, Manrique-Saide P, Siqueira JB, da Rocha WT, Kroeger A.Pilger D, et al.Trop Med Int Health. 2011 Sep;16(9):1143-50. doi: 10.1111/j.1365-3156.2011.02818.x. Epub 2011 Jun 27.Trop Med Int Health. 2011.PMID: 21702871Free article.