_:b56397672	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c90121a3f539b59d4b528f3a1dd172b75533c0cc/0> .
_:b56397673	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56397672	<http://www.w3.org/ns/oa#hasSelector>	_:b56397673 .
_:b56397673	<http://www.w3.org/ns/oa#exact>	"influenza vaccine" .