_:b56312309	<http://www.w3.org/ns/oa#exact>	"medical masks" .
_:b56312308	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/16ffae6b21685dfcd71c62398ba65adefc9b5d44/2> .
_:b56312308	<http://www.w3.org/ns/oa#hasSelector>	_:b56312309 .
_:b56312309	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .