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.
Ram S, Buchsbaum DJ.Ram S, et al.Int J Rad Appl Instrum A. 1992 Nov;43(11):1387-91. doi: 10.1016/0883-2889(92)90013-5.Int J Rad Appl Instrum A. 1992.PMID: 1333460
Ram SJ, Kirk KL.Ram SJ, et al.Proc Natl Acad Sci U S A. 1989 Dec;86(24):10166-70. doi: 10.1073/pnas.86.24.10166.Proc Natl Acad Sci U S A. 1989.PMID: 2602364Free PMC article.
Prabhat P, Gan Z, Chao J, Ram S, Vaccaro C, Gibbons S, Ober RJ, Ward ES.Prabhat P, et al. Among authors: ram s.Proc Natl Acad Sci U S A. 2007 Apr 3;104(14):5889-94. doi: 10.1073/pnas.0700337104. Epub 2007 Mar 23.Proc Natl Acad Sci U S A. 2007.PMID: 17384151Free PMC article.
Ram S, Ward ES, Ober RJ.Ram S, et al.Proc Natl Acad Sci U S A. 2006 Mar 21;103(12):4457-62. doi: 10.1073/pnas.0508047103. Epub 2006 Mar 1.Proc Natl Acad Sci U S A. 2006.PMID: 16537357Free PMC article.
Ober RJ, Ram S, Ward ES.Ober RJ, et al. Among authors: ram s.Biophys J. 2004 Feb;86(2):1185-200. doi: 10.1016/S0006-3495(04)74193-4.Biophys J. 2004.PMID: 14747353Free PMC article.