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.
Ahmed SA, Williamson JR, Roberts R, Clark RE, Sobel BE.Ahmed SA, et al. Among authors: roberts r.Circulation. 1976 Aug;54(2):187-93. doi: 10.1161/01.cir.54.2.187.Circulation. 1976.PMID: 939019
Friedman DL, Roberts R.Friedman DL, et al. Among authors: roberts r.J Biol Chem. 1992 Feb 25;267(6):4270-6.J Biol Chem. 1992.PMID: 1310991Free article.
Marian AJ, Yu QT, Mares A Jr, Hill R, Roberts R, Perryman MB.Marian AJ, et al. Among authors: roberts r.J Clin Invest. 1992 Dec;90(6):2156-65. doi: 10.1172/JCI116101.J Clin Invest. 1992.PMID: 1361491Free PMC article.