7Karch H, Meyer T. Single primer pair for amplifying segments of distinct Shiga-like-toxin genes by polymerase chain reaction[J]. J Clin Microbiol,1989 ,27:2751- 2757.
8Ludwig K, Bitzan M, Zimmermann S,et al. Immune response to non-O157 Vero toxin-producing Escherichia coli in patients with he molyticuremic syndrome[J]. J Infect Dis, 1996 , 174 : 1028-1039.
9Karch H, Russmann H, Schmidt H, et al. Long-term shedding and clonal turnover of enterohemorrhagic Escherichia coli O157 in diarrheal diseases[J]. J Gin Mcrobiol, 1995 0 33:1602-1605.
10Straw 13 E,Allaire S D,Mengeling W L,etal .猪病学(第8版)[M].赵德明,张中秋,沈建忠,等,译.北京:中国农业大学出版社,2000:455-467.
