_:b57350532	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/09e709e36923b9b784d84db97eac152bc53d10a5/3> .
_:b57350532	<http://www.w3.org/ns/oa#hasSelector>	_:b57350533 .
_:b57350533	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57350533	<http://www.w3.org/ns/oa#exact>	"concentrations" .