_:b57080040	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/dc7633682686acdf289ce1788190963a92b74342/0> .
_:b57080041	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57080041	<http://www.w3.org/ns/oa#exact>	"systemic symptoms" .
_:b57080040	<http://www.w3.org/ns/oa#hasSelector>	_:b57080041 .