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- [21] BEHAVIOR OF CU, FE AND ZN LEVELS IN BLOOD OF SICK CATTLE .2. CHANGES IN LUNG-DISEASES IN YOUNG CATTLE ZENTRALBLATT FUR VETERINARMEDIZIN REIHE A-JOURNAL OF VETERINARY MEDICINE SERIES A-ANIMAL PHYSIOLOGY PATHOLOGY AND CLINICAL VETERINARY MEDICINE, 1979, 26 (08): : 671 - 675