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.
CALVIN M, BASSHAM JA, BENSON AA.CALVIN M, et al. Among authors: bassham ja.Fed Proc. 1950 Jun;9(2):524-34.Fed Proc. 1950.PMID: 15435572No abstract available.
Bassham JA, Kirk M, Calvin M.Bassham JA, et al.Proc Natl Acad Sci U S A. 1958 Jun;44(6):491-3. doi: 10.1073/pnas.44.6.491.Proc Natl Acad Sci U S A. 1958.PMID: 16590227Free PMC article.No abstract available.