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- [3] ANTIBODY-TITERS TO AVIAN INFECTIOUS-BRONCHITIS VIRUS OBTAINED UTILIZING THE HEMAGGLUTINATION-INHIBITION TEST AND THE CONSTANT VIRUS-DILUTING SERUM MICRONEUTRALIZATION TEST FROM BROILER-CHICKENS VACCINATED BY DIFFERENT VACCINATION PROGRAMS JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 1983, 183 (03) : 358 - 358