_:b57528972	<http://www.w3.org/ns/oa#hasSelector>	_:b57528973 .
_:b57528973	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57528973	<http://www.w3.org/ns/oa#exact>	"recurrence" .
_:b57528972	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6f9e84358985c23953cba5e683faf668fa6333f7/2> .