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.
Smith WL, Meade EA, DeWitt DL.Smith WL, et al. Among authors: dewitt dl.Ann N Y Acad Sci. 1994 Nov 15;744:50-7. doi: 10.1111/j.1749-6632.1994.tb52723.x.Ann N Y Acad Sci. 1994.PMID: 7825862Review.
Smith WL, Meade EA, DeWitt DL.Smith WL, et al. Among authors: dewitt dl.Ann N Y Acad Sci. 1994 Apr 18;714:136-42. doi: 10.1111/j.1749-6632.1994.tb12037.x.Ann N Y Acad Sci. 1994.PMID: 8017762Review.