_:b56480324	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0eb0709167c38890dad1f603a5d0be1799842143/3> .
_:b56480325	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56480324	<http://www.w3.org/ns/oa#hasSelector>	_:b56480325 .
_:b56480325	<http://www.w3.org/ns/oa#exact>	"concentrations" .