PMC:7463108 / 58-82 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":9,"end":17},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ectives\n\nAbstract\nWith t"}