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.
Lu X, Horvitz HR.Lu X, et al. Among authors: horvitz hr.Cell. 1998 Dec 23;95(7):981-91. doi: 10.1016/s0092-8674(00)81722-5.Cell. 1998.PMID: 9875852Free article.
Clark SG, Stern MJ, Horvitz HR.Clark SG, et al. Among authors: horvitz hr.Nature. 1992 Mar 26;356(6367):340-4. doi: 10.1038/356340a0.Nature. 1992.PMID: 1372395
Ellis RE, Horvitz HR.Ellis RE, et al. Among authors: horvitz hr.Development. 1991 Jun;112(2):591-603. doi: 10.1242/dev.112.2.591.Development. 1991.PMID: 1794327