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Babayani ND, van Wyk JA, Morgan ER.Babayani ND, et al. Among authors: van wyk ja.Prev Vet Med. 2016 Nov 1;134:160-169. doi: 10.1016/j.prevetmed.2016.10.016. Epub 2016 Oct 20.Prev Vet Med. 2016.PMID: 27836039
van Wyk JA, van Schalkwyk PC.van Wyk JA, et al. Among authors: van schalkwyk pc.Vet Parasitol. 1990 Feb;35(1-2):61-9. doi: 10.1016/0304-4017(90)90116-s.Vet Parasitol. 1990.PMID: 2343532
van Wyk JA, van Schalkwyk PC, Gerger HM, Visser EL, Alves RM, van Schalkwyk L.van Wyk JA, et al. Among authors: van schalkwyk pc, van schalkwyk l.Onderstepoort J Vet Res. 1989 Dec;56(4):257-62.Onderstepoort J Vet Res. 1989.PMID: 2696916Clinical Trial.
van Wyk JA, Malan FS, van Rensburg LJ, Oberem PT, Allan MJ.van Wyk JA, et al. Among authors: van rensburg lj.Vet Parasitol. 1997 Oct;72(2):157-65. doi: 10.1016/s0304-4017(97)00022-8.Vet Parasitol. 1997.PMID: 9404842
Van Wyk JA, Stenson MO, Van der Merwe JS, Vorster RJ, Viljoen PG.Van Wyk JA, et al. Among authors: van der merwe js.Onderstepoort J Vet Res. 1999 Dec;66(4):273-84.Onderstepoort J Vet Res. 1999.PMID: 10689700