_:b57545380 <http://www.w3.org/ns/oa#hasSelector> _:b57545381 . _:b57545380 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/d55c31191018d29b21fd07ed2c3a1c4b63dbe174/1> . _:b57545381 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57545381 <http://www.w3.org/ns/oa#exact> "wheezing" .