DOI:
10.1055/s-00034912
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere
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References
Van Wyk JA, Stenson MO, Van der Merwe JS, Vorster RJ, Viljoen PG.
Anthelmintic resistance in South Africa: surveys indicate an extremely serious situation in sheep and goat farming.
Onderstepoort J Vet Res 1999;
66 (04) 273-284.
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