PMC:7271924 / 679-708 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T15","span":{"begin":12,"end":24},"obj":"SP_7"},{"id":"T25659","span":{"begin":12,"end":24},"obj":"SP_7"}],"text":"ght prevent severe acute resp"}