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.
Trudel M, Costantini F.Trudel M, et al. Among authors: costantini f.Genes Dev. 1987 Nov;1(9):954-61. doi: 10.1101/gad.1.9.954.Genes Dev. 1987.PMID: 2828176Free article.
Shear HL, Roth EF Jr, Fabry ME, Costantini FD, Pachnis A, Hood A, Nagel RL.Shear HL, et al. Among authors: costantini fd.Blood. 1993 Jan 1;81(1):222-6.Blood. 1993.PMID: 8417791Free article.