_:b57276024	<http://www.w3.org/ns/oa#hasSelector>	_:b57276025 .
_:b57276025	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57276025	<http://www.w3.org/ns/oa#exact>	"concerns" .
_:b57276024	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/23ff47c5771980c2d6eed5db36d719336a2368f8/5> .