_:b56990236	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7a7627fb859123a87a93b77e2dd2f013c1559fa0/0> .
_:b56990237	<http://www.w3.org/ns/oa#exact>	"pleural effusion" .
_:b56990236	<http://www.w3.org/ns/oa#hasSelector>	_:b56990237 .
_:b56990237	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .