_:b56592225	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56592225	<http://www.w3.org/ns/oa#exact>	"concentration" .
_:b56592224	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/92b7a478cc6bb323014f3f4d66360802d35d9021/2> .
_:b56592224	<http://www.w3.org/ns/oa#hasSelector>	_:b56592225 .