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de Wit JJ, de Jong MC, Pijpers A, Verheijden JH.de Wit JJ, et al.Avian Pathol. 1998;27(5):464-71. doi: 10.1080/03079459808419370.Avian Pathol. 1998.PMID: 18484273
Feberwee A, de Wit JJ, Landman WJ.Feberwee A, et al.Avian Pathol. 2009 Feb;38(1):77-85. doi: 10.1080/03079450802662772.Avian Pathol. 2009.PMID: 19156584