_:b57204260	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9527ae87a515c82ad344f5c315d77a9c1d629458/2> .
_:b57204260	<http://www.w3.org/ns/oa#hasSelector>	_:b57204261 .
_:b57204261	<http://www.w3.org/ns/oa#exact>	"grade fever" .
_:b57204261	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .