_:b56590512	<http://www.w3.org/ns/oa#hasSelector>	_:b56590513 .
_:b56590513	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56590512	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/00039b94e6cb7609ecbddee1755314bcfeb77faa/2> .
_:b56590513	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .