PMC:7796041 / 95-132 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":6,"end":14},"obj":"Sentence"},{"id":"T3","span":{"begin":15,"end":26},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"D-19\n\nAbstract\nBackground: Cardiac ma"}