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- [2] THE DETERMINATION OF SELENIUM IN ANIMAL FEEDING STUFFS JOURNAL OF THE ASSOCIATION OF PUBLIC ANALYSTS, 1980, 18 (MAR): : 23 - 27
- [6] DETERMINATION OF THEOBROMINE IN ANIMAL FEEDING STUFFS JOURNAL OF THE ASSOCIATION OF PUBLIC ANALYSTS, 1980, 18 (MAR): : 19 - 22
- [10] UNDESIRABLE SUBSTANCES AND ADDITIVES IN ANIMAL FEEDING STUFFS JOURNAL OF THE ASSOCIATION OF PUBLIC ANALYSTS, 1984, 22 (MAR): : 23 - 27