_:b56984592	<http://www.w3.org/ns/oa#hasSelector>	_:b56984593 .
_:b56984593	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56984592	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c6b5bfea0defb38a81a9c9dd23b4d0f272ac05da/0> .
_:b56984593	<http://www.w3.org/ns/oa#exact>	"concentration" .