PMC:7464116 / 2506-2518 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T18","span":{"begin":0,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"5.4%) [3,4]."}