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.
Wald A, Langenberg AG, Link K, Izu AE, Ashley R, Warren T, Tyring S, Douglas JM Jr, Corey L.Wald A, et al. Among authors: ashley r.JAMA. 2001 Jun 27;285(24):3100-6. doi: 10.1001/jama.285.24.3100.JAMA. 2001.PMID: 11427138Clinical Trial.
Moore DE, Ashley RL, Zarutskie PW, Coombs RW, Soules MR, Corey L.Moore DE, et al. Among authors: ashley rl.JAMA. 1989 Jun 16;261(23):3441-3.JAMA. 1989.PMID: 2542632