Escherichia coli O157:H7:PrThr:Pt:Stool:Ord:Organism specific culture
escherichia coli o157:h7:prthr:pt:stool:ord:organism specific culture
E. coli O157:H7 Org specific cx Ql (Stl)
e. coli o157:h7 org specific cx ql (stl)