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