共 23 条
- [2] Andrews A. H., 1983, Bovine Practitioner, V18, P41
- [3] Cagienard B, 1973, N Z Vet J, V21, P170, DOI 10.1080/00480169.1973.34099
- [4] CAGIENARD B, 1984, P NZVA DAIRY CATTLE, V2, P69
- [5] Clark R. G., 1984, Surveillance, New Zealand, V11, P3
- [7] COX VS, 1982, AM J VET RES, V43, P26
- [9] CURTIS R A, 1970, Modern Veterinary Practice, V51, P25
- [10] DUNCAN JR, 1978, VET LABORATORY MED