_:b56844345	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56844344	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/86be84a9d729f45ed7f50f248a1e4a3cf262cb6a/2> .
_:b56844344	<http://www.w3.org/ns/oa#hasSelector>	_:b56844345 .
_:b56844345	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .