_:b56756664	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a9c9f1cdd1cb6be4d05ad41038da1ad67cdc2b67/5> .
_:b56756665	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56756664	<http://www.w3.org/ns/oa#hasSelector>	_:b56756665 .
_:b56756665	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .