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.
Perez de Leon AA, Ribeiro JM, Tabachnick WJ, Valenzuela JG.Perez de Leon AA, et al. Among authors: valenzuela jg.Am J Trop Med Hyg. 1997 Sep;57(3):375-81. doi: 10.4269/ajtmh.1997.57.375.Am J Trop Med Hyg. 1997.PMID: 9311653
Charlab R, Valenzuela JG, Rowton ED, Ribeiro JM.Charlab R, et al. Among authors: valenzuela jg.Proc Natl Acad Sci U S A. 1999 Dec 21;96(26):15155-60. doi: 10.1073/pnas.96.26.15155.Proc Natl Acad Sci U S A. 1999.PMID: 10611354Free PMC article.