_:b56687384	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8dd2c21f2cb1fbbf268db6f59e04a8336b123fef/0> .
_:b56687385	<http://www.w3.org/ns/oa#exact>	"efficacy" .
_:b56687384	<http://www.w3.org/ns/oa#hasSelector>	_:b56687385 .
_:b56687385	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .