First Page | Document Content | |
---|---|---|
![]() Date: 2013-06-24 03:07:28Escherichia coli Enterobacteria Gram-negative bacteria Gut flora Escherichia coli O157:H7 Verotoxin-producing Escherichia coli Escherichia coli O121 Shigella Shiga toxin Bacteria Microbiology Biology |
|