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- [3] ON THE VARIATION OF NON-PROTEIN NITROGEN IN COWS MILK KIELER MILCHWIRTSCHAFTLICHE FORSCHUNGSBERICHTE, 1981, 33 (03): : 213 - 220
- [6] EFFECT OF LACTIC SALT COMPOSITION AND NON-PROTEIN NITROGEN-CONTENT ON HEAT-STABILITY OF MILK REVUE DE L AGRICULTURE, 1979, 32 (03): : 803 - 810
- [8] INFLUENCE OF RUMINANT DIET ON NON-PROTEIN NITROGEN LEVELS IN MILK ANNALES DE LA NUTRITION ET DE L ALIMENTATION, 1979, 33 (04): : 569 - 569
- [9] DETERMINATION OF USE OF NON-PROTEIN NITROGEN IN RUMEN AND EVALUATION OF SOURCE OF NON-PROTEIN NITROGEN REVUE DE L AGRICULTURE, 1978, 31 (06): : 1093 - 1102
- [10] BIOCHEMICAL STUDIES ON SOCKEYE SALMON DURING SPAWNING MIGRATION .3. CHANGES IN THE PROTEIN AND NON-PROTEIN NITROGEN FRACTIONS IN MUSCLES OF MIGRATING SOCKEYE SALMON CANADIAN JOURNAL OF BIOCHEMISTRY AND PHYSIOLOGY, 1958, 36 (08): : 799 - 803