Genetic analysis of the rfb region of Shigella flexneri encoding the Y serotype O-antigen specificity.
Macpherson DF, Morona R, Beger DW, Cheah KC, Manning PA
Mol Microbiol. 1991 Jun;5(6):1491-9. doi: 10.1111/j.1365-2958.1991.tb00795.x.
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