Maedi-Visna and Related Diseases Daniel W unter besonderer Berücksichtigung von Kundenansprüchen

unter besonderer Berücksichtigung von Kundenansprüchen

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Joachim Fest stellt Zeitzeugen darin Fragen zum Geschehen und dies meist am Originalschauplatz

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Maedi-Visna and Related Diseases Daniel W unter besonderer Berücksichtigung von KundenansprüchenG. Petursson and Rikke Hoff J0rgensen The concept of slow viral infections was first put forward in 1954 by Dr. Bjorn Sigurdsson, an Icelandic physician who had been studying some sheep diseases which were introduced into Iceland with the importation of a foreign breed of sheep in 1933. Sigurdsson's main criteria for defining slow infec tions were a very long initial period without clinical signs lasting months or even years following infection and a