_:b57259580 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/ae70d3e287edb1e9ec410fa6edd2a60e153fee54/3> . _:b57259581 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57259581 <http://www.w3.org/ns/oa#exact> "anxiety" . _:b57259580 <http://www.w3.org/ns/oa#hasSelector> _:b57259581 .