_:b57232961	<http://www.w3.org/ns/oa#exact>	"efficacy" .
_:b57232960	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/eb8d5c87200a158e43f00fb017d955198ad7016d/0> .
_:b57232960	<http://www.w3.org/ns/oa#hasSelector>	_:b57232961 .
_:b57232961	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .