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2. 1966 to 1982 (Årsberetning fra Veterinærdirektoratet 1966 til 1982, in Danish);Annual Reports from the Veterinary Directorate,1982
3. 1980 to 1992 (Årsberetning fra Veterinærdirektoratet 1980 til 1992, in Danish);Annual Reports from the Veterinary Directorate,1992
4. Management practices from questionnaire surveys in herds with very low somatic cell score through a national mastitis program in France;Barnouin;J. Dairy Sci.,2004
5. Real time PCR values for mastitis pathogens–relations to milk quality and herd characteristics in Danish dairy herds;Bennedsgaard,2011