_:b57770316	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f0072d03581c890003ed685dfe4be79968898843/1> .
_:b57770317	<http://www.w3.org/ns/oa#exact>	"efficacy" .
_:b57770317	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57770316	<http://www.w3.org/ns/oa#hasSelector>	_:b57770317 .