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Frequency of PRRS live vaccine virus (European and North American genotype) in vaccinated and non-vaccinated pigs submitted for respiratory tract diagnostics in North-Western Germany.
grosse Beilage E, Nathues H, Meemken D, Harder TC, Doherr MG, Grotha I, Greiser-Wilke I. grosse Beilage E, et al. Among authors: grotha i. Prev Vet Med. 2009 Nov 1;92(1-2):31-7. doi: 10.1016/j.prevetmed.2009.07.010. Epub 2009 Aug 22. Prev Vet Med. 2009. PMID: 19700211 Free PMC article.