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Häsler B, Howe KS, Di Labio E, Schwermer H, Stärk KD.Häsler B, et al. Among authors: howe ks.Prev Vet Med. 2012 Feb 1;103(2-3):93-111. doi: 10.1016/j.prevetmed.2011.09.013. Epub 2011 Oct 20.Prev Vet Med. 2012.PMID: 22018548