_:b57414868	<http://www.w3.org/ns/oa#hasSelector>	_:b57414869 .
_:b57414869	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57414869	<http://www.w3.org/ns/oa#exact>	"recurrence" .
_:b57414868	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/41844a2070ccbee22d9b5ed77682c9725c012db4/13> .