_:b56908109	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56908109	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b56908108	<http://www.w3.org/ns/oa#hasSelector>	_:b56908109 .
_:b56908108	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4e2e942fe03ed73c8d2257b3f33df923e7b9a67a/0> .