_:b56619749 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56619748 <http://www.w3.org/ns/oa#hasSelector> _:b56619749 . _:b56619749 <http://www.w3.org/ns/oa#exact> "ventricular arrhythmias" . _:b56619748 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/b512c5158a7efb3b4d7d1730a3f9726459e1f0d1/0> .