_:b56745805	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56745805	<http://www.w3.org/ns/oa#exact>	"efficacy" .
_:b56745804	<http://www.w3.org/ns/oa#hasSelector>	_:b56745805 .
_:b56745804	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c9eb6736c538273616cff83e6ac1f02942ca0275/18> .