_:b56528797	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56528796	<http://www.w3.org/ns/oa#hasSelector>	_:b56528797 .
_:b56528796	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/43fd9e9fa6ecb2ec700c15288e7e3c7ba38f26a2/1> .
_:b56528797	<http://www.w3.org/ns/oa#exact>	"concentrations" .