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- [2] DETECTION OF COLOSTRAL ANTIBODIES TO OVINE PROGRESSIVE PNEUMONIA VIRUS NORTH DAKOTA FARM RESEARCH, 1983, 41 (03): : 26 - 27
- [3] OVINE PROGRESSIVE PNEUMONIA VETERINARY MEDICINE & SMALL ANIMAL CLINICIAN, 1983, 78 (08): : 1247 - &
- [10] ANALYSIS AND PCR DETECTION OF ANTIGEN COMPOSITIONS OF OVINE PROGRESSIVE PNEUMONIA VIRUS SCIENCE IN CHINA SERIES B-CHEMISTRY LIFE SCIENCES & EARTH SCIENCES, 1995, 38 (05): : 573 - 579