_:b57414089	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57414089	<http://www.w3.org/ns/oa#exact>	"concerns" .
_:b57414088	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7b7c867402d753d3123a6dbd5aa752c38c7babdf/0> .
_:b57414088	<http://www.w3.org/ns/oa#hasSelector>	_:b57414089 .