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.
Liu DR, Schultz PG.Liu DR, et al. Among authors: schultz pg.Proc Natl Acad Sci U S A. 1999 Apr 27;96(9):4780-5. doi: 10.1073/pnas.96.9.4780.Proc Natl Acad Sci U S A. 1999.PMID: 10220370Free PMC article.
Pastrnak M, Schultz PG.Pastrnak M, et al. Among authors: schultz pg.Bioorg Med Chem. 2001 Sep;9(9):2373-9. doi: 10.1016/s0968-0896(01)00157-2.Bioorg Med Chem. 2001.PMID: 11553478