_:b57704384	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7dc484e62b5a5e470b072184f55b023d5e751061/4> .
_:b57704385	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57704384	<http://www.w3.org/ns/oa#hasSelector>	_:b57704385 .
_:b57704385	<http://www.w3.org/ns/oa#exact>	"systemic" .