_:b56423952 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/3940b14f4b956f2087f065f3c96eaeccbac31f62/3> . _:b56423953 <http://www.w3.org/ns/oa#exact> "myocardial infarction" . _:b56423953 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56423952 <http://www.w3.org/ns/oa#hasSelector> _:b56423953 .