_:b56427180	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0d2184daa3d2c1ab9665dcc993e74deec2193554/1> .
_:b56427180	<http://www.w3.org/ns/oa#hasSelector>	_:b56427181 .
_:b56427181	<http://www.w3.org/ns/oa#exact>	"clinical symptoms" .
_:b56427181	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .