Escherichia coli verotoxin 1 &#x7C; Stool &#x7C; Microbiology
escherichia coli verotoxin 1 &#x7c; stool &#x7c; microbiology
Escherichia coli verotoxin 1 &#x7C; Stool &#x7C; Microbiology
escherichia coli verotoxin 1 &#x7c; stool &#x7c; microbiology