_:b56977545 <http://www.w3.org/ns/oa#exact> "depression" . _:b56977544 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/50d61e2d02d4ce946a82f473eb9a4af12b8ab9a7/3> . _:b56977545 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56977544 <http://www.w3.org/ns/oa#hasSelector> _:b56977545 .