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2. 2. Schalm OW. Veterinary hematology. 3rd ed. Philadelphia: Lea & Febiger, 1975; 122.
3. 3. Jain NC.Schalm's veterinary hematology. 4th ed. Philadelphia: Lea & Febiger, 1986; 179.
4. Comparison of bovine hematology reference intervals from 1957 to 2006