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2. Use of total and differential somatic cell counts from composite milk samples to detect mastitis in individual cows;Dohoo;Can. J. Comp. Med.,1981
3. Bovine mastitis. Definitions and guidelines for diagnosis;International Dairy Federation,1987
4. Somatic cell counts in bovine milk;Leslie;Comp. Cont. Educ.,1983
5. The evaluation of tests;Martin;Can. J. Comp. Med.,1977