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.
Bletsa A, Heyeraas KJ, Haug SR, Berggreen E.Bletsa A, et al. Among authors: berggreen e.Neuroimmunomodulation. 2004;11(6):376-84. doi: 10.1159/000080148.Neuroimmunomodulation. 2004.PMID: 15467353
Csillag M, Berggreen E, Fristad I, Haug SR, Bletsa A, Heyeraas KJ.Csillag M, et al. Among authors: berggreen e.Acta Odontol Scand. 2004 Dec;62(6):305-12. doi: 10.1080/00016350410010045.Acta Odontol Scand. 2004.PMID: 15848973
Bletsa A, Berggreen E, Fristad I, Tenstad O, Wiig H.Bletsa A, et al. Among authors: berggreen e.J Physiol. 2006 May 15;573(Pt 1):225-36. doi: 10.1113/jphysiol.2006.104711. Epub 2006 Mar 9.J Physiol. 2006.PMID: 16527857Free PMC article.
Bletsa A, Berggreen E, Brudvik P.Bletsa A, et al. Among authors: berggreen e.Eur J Oral Sci. 2006 Oct;114(5):423-9. doi: 10.1111/j.1600-0722.2006.00400.x.Eur J Oral Sci. 2006.PMID: 17026509
Bletsa A, Fristad I, Berggreen E.Bletsa A, et al. Among authors: berggreen e.Int Endod J. 2009 Nov;42(11):978-86. doi: 10.1111/j.1365-2591.2009.01605.x. Epub 2009 Sep 1.Int Endod J. 2009.PMID: 19732182