PMC:7162774 / 2827-2869 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T37","span":{"begin":8,"end":21},"obj":"UBERON:0000948"},{"id":"T93344","span":{"begin":8,"end":21},"obj":"UBERON:0000948"}],"text":"f 75%). Transthoracic echocardiogram revea"}