<http://webisa.webdatacommons.org/prov/133578771>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390487428> .
<http://webisa.webdatacommons.org/390487428>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/390487428>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<plos.org> .
<http://webisa.webdatacommons.org/390487428>	<http://www.w3.org/ns/prov#value>	"Prior vaccinations, medications, travel, work elsewhere, time working at Plant A, and exposure to cleaning chemicals, insecticides, pesticides or other animals were not associated with illness using either control group." .