_:b57750976	<http://www.w3.org/ns/oa#hasSelector>	_:b57750977 .
_:b57750977	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57750976	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6cbc6cb6ce91799242532d6411d05e1beb5d2563/3> .
_:b57750977	<http://www.w3.org/ns/oa#exact>	"upper respiratory tract infection" .