_:b58071845	<http://www.w3.org/ns/oa#exact>	"concentrations" .
_:b58071845	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b58071844	<http://www.w3.org/ns/oa#hasSelector>	_:b58071845 .
_:b58071844	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e592e1c7cab5f7d430288a5f6b08ba710fc5f170/4> .