DOI:
10.1055/s-00034912
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere
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References
Grosse Beilage E, Nathues H, Meemken D. et al.
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.
Prev Vet Med 2009;
92: 31-37
DOI: 10.1016/j.prevetmed.2009.07.010.
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