_:b57484740	<http://www.w3.org/ns/oa#hasSelector>	_:b57484741 .
_:b57484741	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57484741	<http://www.w3.org/ns/oa#exact>	"expansion" .
_:b57484740	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8b965ccb656960174a81c75effed2a6f2315f0e7/0> .