共 31 条
- [2] BIJLENGA G., 1956, TIJDSCHR DIERGENEESK, V81, P43
- [5] GENOMIC CHANGES ASSOCIATED WITH ANTIGENIC VARIATION OF VISNA VIRUS DURING PERSISTENT INFECTION [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1980, 77 (08): : 4454 - 4458
- [9] Darbyshire J. H., 1981, Avian immunology. Proceedings of the 16th Poultry Science Symposium, P205