PMC:7443692 / 1853-1865 JSONTXT

{"project":"LitCovid-sample-sentences","denotations":[{"id":"T16","span":{"begin":0,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Introduction"}