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.
Jenson JC, Chin-Lin P, Gerber-Jenson B, Litman GW.Jenson JC, et al. Among authors: litman gw.Proc Natl Acad Sci U S A. 1980 Mar;77(3):1389-93. doi: 10.1073/pnas.77.3.1389.Proc Natl Acad Sci U S A. 1980.PMID: 6929493Free PMC article.
Middaugh CR, Gerber-Jenson B, Hurvitz A, Paluszek A, Scheffel C, Litman GW.Middaugh CR, et al. Among authors: litman gw.Proc Natl Acad Sci U S A. 1978 Jul;75(7):3440-4. doi: 10.1073/pnas.75.7.3440.Proc Natl Acad Sci U S A. 1978.PMID: 28525Free PMC article.