_:b57941525	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57941524	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6dc7180cae1924619f06d26035133b2ff1fca205/0> .
_:b57941524	<http://www.w3.org/ns/oa#hasSelector>	_:b57941525 .
_:b57941525	<http://www.w3.org/ns/oa#exact>	"symptom" .