Escherichia coli Stx1+Stx2 toxin stx1+stx2 genes:{Measurement}:-:Stool:-
escherichia coli stx1+stx2 toxin stx1+stx2 genes:{measurement}:-:stool:-
E. coli stx1+stx2 genes (Stl) [Measurement]
e. coli stx1+stx2 genes (stl) [measurement]