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Hoffmann B, Blome S, Bonilauri P, Fernández-Piñero J, Greiser-Wilke I, Haegeman A, Isaksson M, Koenen F, LeBlanc N, Leifer I, Le Potier MF, Loeffen W, Rasmussen TB, Stadejek T, Ståhl K, Tignon M, Uttenthal A, van der Poel W, Beer M.Hoffmann B, et al. Among authors: loeffen w.J Vet Diagn Invest. 2011 Sep;23(5):999-1004. doi: 10.1177/1040638711416849.J Vet Diagn Invest. 2011.PMID: 21908363
Blome S, Aebischer A, Lange E, Hofmann M, Leifer I, Loeffen W, Koenen F, Beer M.Blome S, et al. Among authors: loeffen w.Vet Microbiol. 2012 Jul 6;158(1-2):42-59. doi: 10.1016/j.vetmic.2012.02.015. Epub 2012 Feb 17.Vet Microbiol. 2012.PMID: 22397931Clinical Trial.