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.
Ard MD, Bunge RP.Ard MD, et al.Ann N Y Acad Sci. 1988;540:420-2. doi: 10.1111/j.1749-6632.1988.tb27121.x.Ann N Y Acad Sci. 1988.PMID: 3207272No abstract available.
Johnson MI, Higgins D, Ard MD.Johnson MI, et al. Among authors: ard md.Brain Res Dev Brain Res. 1989 Jun 1;47(2):289-92. doi: 10.1016/0165-3806(89)90184-3.Brain Res Dev Brain Res. 1989.PMID: 2743561