_:b57906856	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0ca88a88c808dcbb12a6463af2a6c399df06864e/2> .
_:b57906857	<http://www.w3.org/ns/oa#exact>	"pleural effusion" .
_:b57906856	<http://www.w3.org/ns/oa#hasSelector>	_:b57906857 .
_:b57906857	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .