PMC:7558233 / 29822-29946 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T179","span":{"begin":0,"end":124},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Again, there was no significant difference in the time to clinical improvement, which was the primary endpoint of the study."}