共 22 条
- [1] BAKER JA, 1969, J AM VET MED ASSOC, V155, P1866
- [2] BAKER JA, 1962, J AM VET MED ASSOC, V141, P1456
- [3] BAKER JA, 1961, P US LIVESTOCK SANIT, P25
- [4] CARBREY EA, 1976, EUR5486 COMM EUR COM
- [5] CHOONTANOM M, 1977, THESIS HANNOVER
- [6] Darbyshire J. H., 1960, Veterinary Record, V72, P331
- [7] FERNELIUS AL, 1973, CAN J COMP MED, V37, P13
- [8] FREY H R, 1971, Zentralblatt fuer Veterinaermedizin Reihe B, V18, P61
- [9] HAFEZ SM, 1972, ACTA VIROL, V16, P399
- [10] HAFEZ SM, 1972, ACTA VIROL, V16, P388