Enterotoxins. The ring on a finger.
van Heyningen
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S
D001427:Bacterial Toxins / Q000737:chemistry*; D002772:Cholera Toxin / Q000737:chemistry*; D004768:Enterotoxins / Q000737:chemistry*; D029968:Escherichia coli Proteins; D011487:Protein Conformation
D001427:Bacterial Toxins; D004768:Enterotoxins; D029968:Escherichia coli Proteins; D002772:Cholera Toxin; C027538:heat-labile enterotoxin, E coli