_:b57136600	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/47668de0a113b90c2bcee11b49ce63f1e17cc11b/2> .
_:b57136600	<http://www.w3.org/ns/oa#hasSelector>	_:b57136601 .
_:b57136601	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57136601	<http://www.w3.org/ns/oa#exact>	"Testing frequency" .