PMC:7344504 / 8127-8275 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T70","span":{"begin":26,"end":130},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" 15 and 17, respectively.\nThe respiratory situation improved marginally in the subsequent 7 days but declined steadily thereafter. Pressure support "}