PMC:7113610 / 407-440 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T13","span":{"begin":20,"end":31},"obj":"UBERON:0001004"},{"id":"T34329","span":{"begin":20,"end":31},"obj":"UBERON:0001004"}],"text":"ted to severe acute respiratory s"}