Three enterotoxigenic strains and one nonenterotoxigenic strain of Escherichia coli were grown in milk at an initial pH of 6.5 to 8.5. One strain produced detectable levels of heat-labile enterotoxin in all cultures with an initial pH above 6.5.
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http://dx.doi.org/10.4315/0362-028X-43.4.298 | DOI Listing |
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