Johnson, S. K., Johnson, A. R., Keefer, C. L., & Silcox, R. W. (1990). Blood constituents during the estrous cycle and early pregnancy in dairy cows. Theriogenology, 34(4), 701. https://doi.org/10.1016/0093-691X(90)90025-O
Citace podle Chicago (17th ed.)Johnson, S K., A R. Johnson, C L. Keefer, a R W. Silcox. "Blood Constituents During the Estrous Cycle and Early Pregnancy in Dairy Cows." Theriogenology 34, no. 4 (1990): 701. https://doi.org/10.1016/0093-691X(90)90025-O.
Citace podle MLA (9th ed.)Johnson, S K., et al. "Blood Constituents During the Estrous Cycle and Early Pregnancy in Dairy Cows." Theriogenology, vol. 34, no. 4, 1990, p. 701, https://doi.org/10.1016/0093-691X(90)90025-O.
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