_:b56433232	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/abdd02b8f977cbfea4b8222e901d94d1a65c7afc/6> .
_:b56433232	<http://www.w3.org/ns/oa#hasSelector>	_:b56433233 .
_:b56433233	<http://www.w3.org/ns/oa#exact>	"concentration" .
_:b56433233	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .