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Döll S, Dänicke S.Döll S, et al. Among authors: danicke s.Prev Vet Med. 2011 Nov 1;102(2):132-45. doi: 10.1016/j.prevetmed.2011.04.008. Epub 2011 May 14.Prev Vet Med. 2011.PMID: 21571381Review.