_:b56576876	<http://www.w3.org/ns/oa#hasSelector>	_:b56576877 .
_:b56576877	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56576876	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4227edd8dee623f386203e95313d70708997cfd9/1> .
_:b56576877	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .