_:b56916276	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5bc8dd515058e0fe94c6fc4a2c3cb85572030fec/1> .
_:b56916277	<http://www.w3.org/ns/oa#exact>	"concentration" .
_:b56916276	<http://www.w3.org/ns/oa#hasSelector>	_:b56916277 .
_:b56916277	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .