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.
Engström B, Fossum O, Wierup M.Engström B, et al.Acta Vet Scand. 1985;26(4):521-32. doi: 10.1186/BF03546524.Acta Vet Scand. 1985.PMID: 3836571Free PMC article.
Elwinger K, Berndtson E, Engström B, Fossum O, Waldenstedt L.Elwinger K, et al. Among authors: engstrom b.Acta Vet Scand. 1998;39(4):433-41. doi: 10.1186/BF03547769.Acta Vet Scand. 1998.PMID: 9926457Free PMC article.
Fossum O, Sandstedt K, Engström BE.Fossum O, et al. Among authors: engstrom be.Avian Pathol. 1988;17(2):519-25. doi: 10.1080/03079458808436471.Avian Pathol. 1988.PMID: 18766710
Johansson A, Aspán A, Kaldhusdal M, Engström BE.Johansson A, et al.Vet Microbiol. 2010 Jul 29;144(1-2):87-92. doi: 10.1016/j.vetmic.2009.12.017. Epub 2009 Dec 16.Vet Microbiol. 2010.PMID: 20056357