_:b57787577	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57787576	<http://www.w3.org/ns/oa#hasSelector>	_:b57787577 .
_:b57787577	<http://www.w3.org/ns/oa#exact>	"Pleural effusions" .
_:b57787576	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b4cf91d1a30ea2af228cb83c0a37df187f636802/2> .