共 10 条
[1]
Barnett S. F., 1974, Bulletin de l'Office International des Epizooties, V81, P167
[3]
HUDSON J. R., 1950, British Veterinary Journal, V106, P3
[7]
TAYLOR SM, VETERINARY RECORD
[8]
TUOMI J, 1967, ACTA PATHOL MIC SC, V70, P577
[9]
TUOMI J, 1967, ACTA PATHOL MIC SC, V71, P101
[10]
VENN J. A. J., 1956, Veterinary Record, V68, P132