_:b57510840	<http://www.w3.org/ns/oa#hasSelector>	_:b57510841 .
_:b57510841	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57510841	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57510840	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/da174e0caf661809615fc0ee7b78a22829ea9380/2> .