_:b57990017 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57990016 <http://www.w3.org/ns/oa#hasSelector> _:b57990017 . _:b57990017 <http://www.w3.org/ns/oa#exact> "content" . _:b57990016 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/13fcd17cdc1c9dfce35a5f32c7d31012866c6bbf/0> .