共 281 条
[12]
Bernardelli A., 1990, Revue Scientifique et Technique Office International des Epizooties, V9, P1121
[14]
BOEVER WJ, 1976, J AM VET MED ASSOC, V169, P927
[16]
Boian M, 1997, AIDS, V11, P255
[17]
BONE LB, 1993, LAB ANIM SCI, V43, P619
[18]
BOOS S, 1995, BERL MUNCH TIERARZTL, V108, P253