_:b57543260	<http://www.w3.org/ns/oa#hasSelector>	_:b57543261 .
_:b57543261	<http://www.w3.org/ns/oa#exact>	"symptoms" .
_:b57543261	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57543260	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6c4acd1676d614bf6b2e4fdf9d17337e237d440d/6> .