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Malchow J, Puppe B, Berk J, Schrader L.Malchow J, et al. Among authors: berk j.Front Vet Sci. 2019 Jun 25;6:203. doi: 10.3389/fvets.2019.00203. eCollection 2019.Front Vet Sci. 2019.PMID: 31294041Free PMC article.
Malchow J, Berk J, Puppe B, Schrader L.Malchow J, et al. Among authors: berk j.Poult Sci. 2019 Jan 1;98(1):29-38. doi: 10.3382/ps/pey320.Poult Sci. 2019.PMID: 30690612Free article.
Bartels T, Lütgeharm JH, Wähner M, Berk J.Bartels T, et al. Among authors: berk j.Poult Sci. 2017 Dec 1;96(12):4134-4139. doi: 10.3382/ps/pex256.Poult Sci. 2017.PMID: 29053857Free article.
Schumacher C, Krautwald-Junghanns ME, Hübel J, Bergmann S, Mädl N, Erhard MH, Berk J, Pees M, Truyen U, Bartels T.Schumacher C, et al. Among authors: berk j.Berl Munch Tierarztl Wochenschr. 2012 Sep-Oct;125(9-10):379-85.Berl Munch Tierarztl Wochenschr. 2012.PMID: 23045799German.