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Thomsen PT, Østergaard S, Houe H, Sørensen JT.Thomsen PT, et al. Among authors: houe h.Prev Vet Med. 2007 May 16;79(2-4):136-54. doi: 10.1016/j.prevetmed.2006.12.002. Epub 2007 Jan 9.Prev Vet Med. 2007.PMID: 17215054