5WHV:
reference: Evolution of host adaptation in the Salmonella typhoid toxin., Gao X, Deng L, Stack G, Yu H, Chen X, Naito-Matsui Y, Varki A, Galan JE, Nat Microbiol. 2017 Oct 9. doi: 10.1038/s41564-017-0033-2. PMID: 28993610

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