PMC:7337742 / 18-77 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1","span":{"begin":17,"end":24},"obj":"UBERON:0000948"},{"id":"T108","span":{"begin":13,"end":19},"obj":"UBERON:0000947"},{"id":"T109","span":{"begin":20,"end":29},"obj":"UBERON:0000916"},{"id":"T25518","span":{"begin":17,"end":24},"obj":"UBERON:0000948"}],"text":"ecomes practice: cardiac and vascular surgery during the CO"}