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.
Erwin VG, Campbell AD, Radcliffe R.Erwin VG, et al. Among authors: campbell ad.Ann N Y Acad Sci. 1992 Jun 28;654:441-3. doi: 10.1111/j.1749-6632.1992.tb25992.x.Ann N Y Acad Sci. 1992.PMID: 1321578No abstract available.
Erwin VG, Campbell AD, Jones BC.Erwin VG, et al. Among authors: campbell ad.Ann N Y Acad Sci. 1992;668:277-86. doi: 10.1111/j.1749-6632.1992.tb27356.x.Ann N Y Acad Sci. 1992.PMID: 1334387No abstract available.
Campbell AD, Erwin VG.Campbell AD, et al.Ann N Y Acad Sci. 1992;668:314-6. doi: 10.1111/j.1749-6632.1992.tb27361.x.Ann N Y Acad Sci. 1992.PMID: 1334388No abstract available.