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.
Rodríguez JI, Köster AM, Ayers PW, Santos-Valle A, Vela A, Merino G.Rodríguez JI, et al. Among authors: ayers pw.J Comput Chem. 2009 May;30(7):1082-92. doi: 10.1002/jcc.21134.J Comput Chem. 2009.PMID: 18942734