_:b57320140	<http://www.w3.org/ns/oa#hasSelector>	_:b57320141 .
_:b57320141	<http://www.w3.org/ns/oa#exact>	"concentration" .
_:b57320140	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/22a32e25a92dc02310b1d4415027759921b446c0/0> .
_:b57320141	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .