_:b57683237 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57683236 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/b23dda2c7773147aca5ebce1c6b0bf1ab29baafd/2> . _:b57683236 <http://www.w3.org/ns/oa#hasSelector> _:b57683237 . _:b57683237 <http://www.w3.org/ns/oa#exact> "p" .