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Citations
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Selby, L. A., Marienfeld, C. J., & Pierce, J. O. (1970). The effects of trace elements on human and animal health. J Am Vet Med Assoc, 157(11), 1800–1808.
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Timney, B., & Macuda, T. (2001). Vision and hearing in horses. J Am Vet Med Assoc, 218(10), 1567–1574.
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