共 9 条
- [1] BLOOD D, 1989, VET MED, P938
- [4] HOURRIGAN JL, 1969, J AM VET MED ASSOC, V154, P538
- [5] MacKay J. M. K., 1961, Veterinary Record, V73, P394
- [6] PATTISON I. H., 1959, JOUR COMP PATHOL AND THERAP, V69, P300, DOI 10.1016/S0368-1742(59)80029-1
- [7] STEMSHORN BW, 1975, CAN VET J, V16, P84
- [9] WILESMITH JW, 1988, VET REC, V123, P638