_:b56967764	<http://www.w3.org/ns/oa#hasSelector>	_:b56967765 .
_:b56967765	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56967765	<http://www.w3.org/ns/oa#exact>	"surface" .
_:b56967764	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4781928d6c3b0d839f5d43e1b56fb61654764d69/4> .