PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accurate detection is critical to protecting public health, because ingesting only a small number of E. coli O157:H7 cells can cause illness.Since the 1980s, the Environmental Protection Agency and other regulators have tested for pathogens like E. coli O157:H7 in water by looking for fecal bacteria.
http://www.w3.org/ns/prov#wasQuotedFrom
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