_:b56691621	<http://www.w3.org/ns/oa#exact>	"efficacy" .
_:b56691620	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b35c5f90e09d90f6fd6cff9dab355755e4c33fe4/3> .
_:b56691621	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56691620	<http://www.w3.org/ns/oa#hasSelector>	_:b56691621 .