_:b56571345	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56571344	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8b182c5528c93100f975d2d01bec9b1824e5d75/0> .
_:b56571344	<http://www.w3.org/ns/oa#hasSelector>	_:b56571345 .
_:b56571345	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .