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Willesen JL, Jensen AL, Kristensen AT, Kjelgaard-Hansen M, Jessen R, Koch J.Willesen JL, et al. Among authors: koch j.J Vet Med A Physiol Pathol Clin Med. 2006 Jun;53(5):266-9. doi: 10.1111/j.1439-0442.2006.00828.x.J Vet Med A Physiol Pathol Clin Med. 2006.PMID: 16737518
Höllmer M, Willesen JL, Jensen AT, Koch J.Höllmer M, et al. Among authors: koch j.J Small Anim Pract. 2008 Sep;49(9):432-7. doi: 10.1111/j.1748-5827.2008.00569.x. Epub 2008 Aug 5.J Small Anim Pract. 2008.PMID: 18684150