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<http://webisa.webdatacommons.org/prov/272579693>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/134608763> .
<http://webisa.webdatacommons.org/134608763>	<http://www.w3.org/ns/prov#value>	"visitor was a person who remained in the study area for at least one week at a time," .
<http://webisa.webdatacommons.org/134608763>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<malariajournal.com> .