_:b56872880	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/50715ea2a82c3ee0ba796c92fd02701365d53eff/36> .
_:b56872881	<http://www.w3.org/ns/oa#exact>	"liver metastasis" .
_:b56872880	<http://www.w3.org/ns/oa#hasSelector>	_:b56872881 .
_:b56872881	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .