共 11 条
[1]
Amass S. F., 1995, Swine Health and Production, V3, P189
[2]
Amass S. F., 1996, Swine Health and Production, V4, P196
[3]
BEAUDOIN M, 1992, J GEN MICROBIOL, V138, P2639, DOI 10.1099/00221287-138-12-2639
[4]
Bickley J, 1995, Methods Mol Biol, V46, P141
[5]
CLIFTONHADLEY FA, 1983, BRIT VET J, V139, P1