https://pmc.ncbi.nlm.nih.gov/articles/PMC105321/
Identification of New Verocytotoxin Type 2 Variant B-Subunit Genes in Human and Animal Escherichia...
The sequence of a verocytotoxin 2 (VT2) variant gene that was untypeable by the B subunit PCR and restriction fragment length polymorphism analysis (PCR-RFLP)...
https://www.fda.gov/food/laboratory-methods-food/bam-r88-verocytotoxin-antiserum
BAM R88: Verocytotoxin Antiserum | FDA
FDA's Bacteriological Analytical Manual (BAM) presents the agency's preferred laboratory procedures for microbiological analyses of foods and cosmetics.
bamantiserumfda