_:b57694748	<http://www.w3.org/ns/oa#hasSelector>	_:b57694749 .
_:b57694749	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57694748	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d077e86d41dd4161565d2edf1446d8bc4ec5ed0a/2> .
_:b57694749	<http://www.w3.org/ns/oa#exact>	"concentration" .