_:b56309380 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/c51d1869c1ddd41d94260934e6002a3fabf1c278/4> . _:b56309381 <http://www.w3.org/ns/oa#exact> "PCT" . _:b56309380 <http://www.w3.org/ns/oa#hasSelector> _:b56309381 . _:b56309381 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> .