_:b57121221	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57121220	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/eed62a8a25abd150feb463340ed061b52001787c/1> .
_:b57121220	<http://www.w3.org/ns/oa#hasSelector>	_:b57121221 .
_:b57121221	<http://www.w3.org/ns/oa#exact>	"pleural effusion" .