References
- Beaudette, F. R., and Hudson, C. B., 1937. Cultivation of the Virus of infectious bronchitis, J. Am. vet. Ass. 90 (1937), pp. 51–60.
- Bulow, V. von, 1967. Infektiose Bronchitis der Huhner. IV. Charakterisierung eines neuen Feldstammes des IB-Virus (IBV-10) Zentralbl, Vet.Med. 14(B) (1967), pp. 151–162.
- Delaplane, J. P., and Stuart, H. O., 1941. The modification of infectious bronchitis virus of chickens as the result of propagation in embryonated chicked eggs, Rhode Island exp. Stat. Bull. 284 (1941), pp. 1–20.
- Estola, T., 1966. Studies on the infectious bronchitis virus of chickens isolated in Finland with reference to the serological survey of its occurrence, Acta.vet.scand. Suppl. 18 (1966), pp. 1–111.
- Feldman, H. A., and Wang, S. S., 1961. Sensitivity of various viruses to chloroform, Proc. Soc. exp. Biol.(N.Y.) 106 (1961), pp. 736–738.
- Hofstad, M. S., 1958. Antigenic differences among isolates of avian infectious bronchitis virus, Am.J.vet.Res. 19 (1958), pp. 740–743.
- Larose, R. N., and Van Roekel, H., 1961. The effects of rapid embryo passage upon the infectious bronchitis virus, A vian dis. 5 (1961), pp. 157–168.
- Lohr, J. E., 1977. Studies on avian infectious bronchitis virus in New Zealand. I. Serotypes, N.Z. Vet.J. 25 (1977), pp. 48–51.
- Lohr, J. E., McCausland, I. P., and Owen, D. J., 1977. Studies on avian infectious bronchitis virus in New Zealand. III. Efficacy of an attenuated live infectious bronchitis vaccine of New Zealand origin in broiler birds, N.Z. Vet.J. (1977), in press.