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.
Sheng J, Li L, Engelhart AE, Gan J, Wang J, Szostak JW.Sheng J, et al. Among authors: engelhart ae.Proc Natl Acad Sci U S A. 2014 Feb 25;111(8):3050-5. doi: 10.1073/pnas.1317799111. Epub 2014 Feb 10.Proc Natl Acad Sci U S A. 2014.PMID: 24516151Free PMC article.
Jin L, Engelhart AE, Adamala KP, Szostak JW.Jin L, et al. Among authors: engelhart ae.J Vis Exp. 2018 Feb 9;(132):57324. doi: 10.3791/57324.J Vis Exp. 2018.PMID: 29553563Free PMC article.