<http://webisa.webdatacommons.org/concept/tumor+cell_ctc_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"tumor cell" .
<http://webisa.webdatacommons.org/concept/tumor+cell_ctc_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"ctc" .
<http://webisa.webdatacommons.org/concept/tumor+cell_ctc_>	<http://www.w3.org/2000/01/rdf-schema#label>	"tumor cell ctc" .