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.
Havens PL, Butler JC, Day SE, Mohr BA, Davis JP, Chusid MJ.Havens PL, et al.Am J Public Health. 1993 Mar;83(3):379-84. doi: 10.2105/ajph.83.3.379.Am J Public Health. 1993.PMID: 8438976Free PMC article.
Havens PL, Cuene BE, Waters D, Hand J, Chusid MJ.Havens PL, et al.Pediatr Infect Dis J. 1997 Feb;16(2):211-6. doi: 10.1097/00006454-199702000-00009.Pediatr Infect Dis J. 1997.PMID: 9041603
Havens PL, Cuene BE, Hand JR, Gern JE, Sullivan BW, Chusid MJ.Havens PL, et al.Pediatr Infect Dis J. 1997 Sep;16(9):871-5. doi: 10.1097/00006454-199709000-00010.Pediatr Infect Dis J. 1997.PMID: 9306482