_:b57931780 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/41a01371c662af60b6ed848b1a7dca7c304521e1/0> . _:b57931781 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57931780 <http://www.w3.org/ns/oa#hasSelector> _:b57931781 . _:b57931781 <http://www.w3.org/ns/oa#exact> "case" .