Assertion: nasturtium's cress | /r/HasProperty | significant levels of e. coli
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Source sentences:
text: Various studies have found cress contaminated with a high number of protozoan pathogens (Soares and Cantos, 2006), significant levels of E. coli and the occurrence of Campylobacter (Edmonds and Hawke, 2004), and heavy metal contamination (Kara, 2005; CPC, 2012).