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.
Quinn TC, Kline RL, Halsey N, Hutton N, Ruff A, Butz A, Boulos R, Modlin JF.Quinn TC, et al. Among authors: halsey n.JAMA. 1991 Dec 25;266(24):3439-42.JAMA. 1991.PMID: 1744957
Quinn TC, Ruff A, Halsey N.Quinn TC, et al. Among authors: halsey n.Pediatr Infect Dis J. 1992 Jul;11(7):558-68.Pediatr Infect Dis J. 1992.PMID: 1528647Review.