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.
Dougan ST, Warga RM, Kane DA, Schier AF, Talbot WS.Dougan ST, et al.Development. 2003 May;130(9):1837-51. doi: 10.1242/dev.00400.Development. 2003.PMID: 12642489
Hagos EG, Dougan ST.Hagos EG, et al. Among authors: dougan st.BMC Dev Biol. 2007 Mar 28;7:22. doi: 10.1186/1471-213X-7-22.BMC Dev Biol. 2007.PMID: 17391517Free PMC article.