_:b57739513	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b57739512	<http://www.w3.org/ns/oa#hasSelector>	_:b57739513 .
_:b57739512	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5300635b9c02f28ee26a26ee5547b6bc16cd0139/1> .
_:b57739513	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .