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.
de Lau W, Barker N, Clevers H.de Lau W, et al. Among authors: barker n.Front Biosci. 2007 Jan 1;12:471-91. doi: 10.2741/2076.Front Biosci. 2007.PMID: 17127311Review.
Leushacke M, Barker N.Leushacke M, et al. Among authors: barker n.Oncogene. 2012 Jun 21;31(25):3009-22. doi: 10.1038/onc.2011.479. Epub 2011 Oct 17.Oncogene. 2012.PMID: 22002312Review.
Barker N, Tan S, Clevers H.Barker N, et al.Development. 2013 Jun;140(12):2484-94. doi: 10.1242/dev.083113.Development. 2013.PMID: 23715542Free article.Review.
Tan DW, Barker N.Tan DW, et al. Among authors: barker n.Curr Top Dev Biol. 2014;107:77-107. doi: 10.1016/B978-0-12-416022-4.00003-2.Curr Top Dev Biol. 2014.PMID: 24439803Review.
Tan S, Barker N.Tan S, et al. Among authors: barker n.Semin Cancer Biol. 2015 Jun;32:40-53. doi: 10.1016/j.semcancer.2014.02.005. Epub 2014 Feb 19.Semin Cancer Biol. 2015.PMID: 24560652Review.