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.
Pender SL, MacDonald TT.Pender SL, et al.Ann N Y Acad Sci. 1998 Nov 17;859:188-91. doi: 10.1111/j.1749-6632.1998.tb11124.x.Ann N Y Acad Sci. 1998.PMID: 9928383No abstract available.
Pender SL, McKenzie C, Shaida A, MacDonald TT.Pender SL, et al.Ann N Y Acad Sci. 1999 Jun 30;878:581-2. doi: 10.1111/j.1749-6632.1999.tb07733.x.Ann N Y Acad Sci. 1999.PMID: 10415779No abstract available.