Symposium on medicated feeds : proceedings of the symposium on medicated feeds sponsored by U. S. Department of Health, Education, and Welfare, Food and Drug Administration, Veterinary Medical Branch, Jan. 23 and 24, 1956 / edited by Henry Welch and Feĺix Martí-Ibánẽz.

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Symposium on medicated feeds : proceedings of the symposium on medicated feeds sponsored by U. S. Department of Health, Education, and Welfare, Food and Drug Administration, Veterinary Medical Branch, Jan. 23 and 24, 1956 / edited by Henry Welch and Feĺix Martí-Ibánẽz. Public Domain Mark. Source: Wellcome Collection.